Clarke's link
Engineering survey, topographic mapping.
None
Trinidad and Tobago - Tobago - onshore.
Data Source: EPSG v11.016 2024-08-31
Datum: Mount Dillon
Coordinate System: cartesian
Projection: Tobago Grid
Geodetic CRS: Mount Dillon
PROJCRS["Mount Dillon / Tobago Grid", BASEGEOGCRS["Mount Dillon", DATUM["Mount Dillon", ELLIPSOID["Clarke 1858",20926348,294.260676369261, LENGTHUNIT["Clarke's foot",0.3047972654]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4157]], CONVERSION["Tobago Grid", METHOD["Cassini-Soldner", ID["EPSG",9806]], PARAMETER["Latitude of natural origin",11.2521786111111, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-60.6860088888889, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",187500, LENGTHUNIT["Clarke's link",0.201166195164], ID["EPSG",8806]], PARAMETER["False northing",180000, LENGTHUNIT["Clarke's link",0.201166195164], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["Clarke's link",0.201166195164]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["Clarke's link",0.201166195164]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Trinidad and Tobago - Tobago - onshore."], BBOX[11.08,-60.9,11.41,-60.44]], ID["EPSG",2066]]
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Mount Dillon / Tobago Grid", "base_crs": { "name": "Mount Dillon", "datum": { "type": "GeodeticReferenceFrame", "name": "Mount Dillon", "ellipsoid": { "name": "Clarke 1858", "semi_major_axis": { "value": 20926348, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, "semi_minor_axis": { "value": 20855233, "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": 4157 } }, "conversion": { "name": "Tobago Grid", "method": { "name": "Cassini-Soldner", "id": { "authority": "EPSG", "code": 9806 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 11.2521786111111, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -60.6860088888889, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 187500, "unit": { "type": "LinearUnit", "name": "Clarke's link", "conversion_factor": 0.201166195164 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 180000, "unit": { "type": "LinearUnit", "name": "Clarke's link", "conversion_factor": 0.201166195164 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": { "type": "LinearUnit", "name": "Clarke's link", "conversion_factor": 0.201166195164 } }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": { "type": "LinearUnit", "name": "Clarke's link", "conversion_factor": 0.201166195164 } } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Trinidad and Tobago - Tobago - onshore.", "bbox": { "south_latitude": 11.08, "west_longitude": -60.9, "north_latitude": 11.41, "east_longitude": -60.44 }, "id": { "authority": "EPSG", "code": 2066 } }
{'crs_wkt': 'PROJCRS["Mount Dillon / Tobago Grid",BASEGEOGCRS["Mount ' 'Dillon",DATUM["Mount Dillon",ELLIPSOID["Clarke ' '1858",20926348,294.260676369261,LENGTHUNIT["Clarke\'s ' 'foot",0.3047972654]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4157]],CONVERSION["Tobago ' 'Grid",METHOD["Cassini-Soldner",ID["EPSG",9806]],PARAMETER["Latitude ' 'of natural ' 'origin",11.2521786111111,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude ' 'of natural ' 'origin",-60.6860088888889,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["False ' 'easting",187500,LENGTHUNIT["Clarke\'s ' 'link",0.201166195164],ID["EPSG",8806]],PARAMETER["False ' 'northing",180000,LENGTHUNIT["Clarke\'s ' 'link",0.201166195164],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["Clarke\'s ' 'link",0.201166195164]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["Clarke\'s ' 'link",0.201166195164]],USAGE[SCOPE["Engineering survey, ' 'topographic mapping."],AREA["Trinidad and Tobago - Tobago - ' 'onshore."],BBOX[11.08,-60.9,11.41,-60.44]],ID["EPSG",2066]]'}