US survey foot
Oil and gas exploration and production.
None
Trinidad and Tobago - offshore east of 60°W.
Data Source: EPSG v11.016 2024-08-31
Datum: World Geodetic System 1984 ensemble
Coordinate System: cartesian
Projection: TM Zone 21N (US survey foot)
Geodetic CRS: WGS 84
PROJCRS["WGS 84 / TM Zone 21N (ftUS)",
BASEGEOGCRS["WGS 84",
ENSEMBLE["World Geodetic System 1984 ensemble",
MEMBER["World Geodetic System 1984 (Transit)"],
MEMBER["World Geodetic System 1984 (G730)"],
MEMBER["World Geodetic System 1984 (G873)"],
MEMBER["World Geodetic System 1984 (G1150)"],
MEMBER["World Geodetic System 1984 (G1674)"],
MEMBER["World Geodetic System 1984 (G1762)"],
MEMBER["World Geodetic System 1984 (G2139)"],
MEMBER["World Geodetic System 1984 (G2296)"],
ELLIPSOID["WGS 84",6378137,298.257223563,
LENGTHUNIT["metre",1]],
ENSEMBLEACCURACY[2.0]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4326]],
CONVERSION["TM Zone 21N (US survey foot)",
METHOD["Transverse Mercator",
ID["EPSG",9807]],
PARAMETER["Latitude of natural origin",0,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-57,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.9996,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",1640416.667,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8806]],
PARAMETER["False northing",0,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8807]]],
CS[Cartesian,2],
AXIS["easting (X)",east,
ORDER[1],
LENGTHUNIT["US survey foot",0.304800609601219]],
AXIS["northing (Y)",north,
ORDER[2],
LENGTHUNIT["US survey foot",0.304800609601219]],
USAGE[
SCOPE["Oil and gas exploration and production."],
AREA["Trinidad and Tobago - offshore east of 60°W."],
BBOX[9.95,-60,12.19,-57.28]],
ID["EPSG",8036]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "WGS 84 / TM Zone 21N (ftUS)",
"base_crs": {
"name": "WGS 84",
"datum_ensemble": {
"name": "World Geodetic System 1984 ensemble",
"members": [
{
"name": "World Geodetic System 1984 (Transit)",
"id": {
"authority": "EPSG",
"code": 1166
}
},
{
"name": "World Geodetic System 1984 (G730)",
"id": {
"authority": "EPSG",
"code": 1152
}
},
{
"name": "World Geodetic System 1984 (G873)",
"id": {
"authority": "EPSG",
"code": 1153
}
},
{
"name": "World Geodetic System 1984 (G1150)",
"id": {
"authority": "EPSG",
"code": 1154
}
},
{
"name": "World Geodetic System 1984 (G1674)",
"id": {
"authority": "EPSG",
"code": 1155
}
},
{
"name": "World Geodetic System 1984 (G1762)",
"id": {
"authority": "EPSG",
"code": 1156
}
},
{
"name": "World Geodetic System 1984 (G2139)",
"id": {
"authority": "EPSG",
"code": 1309
}
},
{
"name": "World Geodetic System 1984 (G2296)",
"id": {
"authority": "EPSG",
"code": 1383
}
}
],
"ellipsoid": {
"name": "WGS 84",
"semi_major_axis": 6378137,
"inverse_flattening": 298.257223563
},
"accuracy": "2.0",
"id": {
"authority": "EPSG",
"code": 6326
}
},
"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": 4326
}
},
"conversion": {
"name": "TM Zone 21N (US survey foot)",
"method": {
"name": "Transverse Mercator",
"id": {
"authority": "EPSG",
"code": 9807
}
},
"parameters": [
{
"name": "Latitude of natural origin",
"value": 0,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8801
}
},
{
"name": "Longitude of natural origin",
"value": -57,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8802
}
},
{
"name": "Scale factor at natural origin",
"value": 0.9996,
"unit": "unity",
"id": {
"authority": "EPSG",
"code": 8805
}
},
{
"name": "False easting",
"value": 1640416.667,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 0,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8807
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Easting",
"abbreviation": "X",
"direction": "east",
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
}
},
{
"name": "Northing",
"abbreviation": "Y",
"direction": "north",
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
}
}
]
},
"scope": "Oil and gas exploration and production.",
"area": "Trinidad and Tobago - offshore east of 60°W.",
"bbox": {
"south_latitude": 9.95,
"west_longitude": -60,
"north_latitude": 12.19,
"east_longitude": -57.28
},
"id": {
"authority": "EPSG",
"code": 8036
}
}
{'crs_wkt': 'PROJCRS["WGS 84 / TM Zone 21N (ftUS)",BASEGEOGCRS["WGS '
'84",ENSEMBLE["World Geodetic System 1984 ensemble",MEMBER["World '
'Geodetic System 1984 (Transit)"],MEMBER["World Geodetic System '
'1984 (G730)"],MEMBER["World Geodetic System 1984 '
'(G873)"],MEMBER["World Geodetic System 1984 '
'(G1150)"],MEMBER["World Geodetic System 1984 '
'(G1674)"],MEMBER["World Geodetic System 1984 '
'(G1762)"],MEMBER["World Geodetic System 1984 '
'(G2139)"],MEMBER["World Geodetic System 1984 '
'(G2296)"],ELLIPSOID["WGS '
'84",6378137,298.257223563,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[2.0]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4326]],CONVERSION["TM '
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'(X)",east,ORDER[1],LENGTHUNIT["US survey '
'foot",0.304800609601219]],AXIS["northing '
'(Y)",north,ORDER[2],LENGTHUNIT["US survey '
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'and production."],AREA["Trinidad and Tobago - offshore east of '
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'false_easting': 1640416.667,
'false_northing': 0.0,
'geographic_crs_name': 'WGS 84',
'grid_mapping_name': 'transverse_mercator',
'horizontal_datum_name': 'World Geodetic System 1984 ensemble',
'inverse_flattening': 298.257223563,
'latitude_of_projection_origin': 0.0,
'longitude_of_central_meridian': -57.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'WGS 84 / TM Zone 21N (ftUS)',
'reference_ellipsoid_name': 'WGS 84',
'scale_factor_at_central_meridian': 0.9996,
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314245179}