Sierra Leone New Colony Grid: Transverse Mercator

Description: comment:Replaces the Sierra Leone Colony Grid. New grid is 422.3 ft west and 112.1 ft south of old grid.

Property	Value
accuracy	-1.0 (xmls:double)
area_of_use	Sierra Leone - Freetown Peninsula. (geoepsg:Sierra_Leone_New_Colony_Grid_area_of_use)
asProj4	+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=tmerc +lat_0=6.66666666666667 +lon_0=-12 +k= (...) 1 +x_0=152399.855090754 +y_0=0 +a=6378300 +rf=296 +step +proj=unitconvert +xy_in=m +xy_out=0.304799710181509 (geocrs:projLiteral)
asProjJSON	{'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'Conversion','name':'Sierra Leone New Colony Grid','method':{'name':'Transverse (...) Mercator','id':{'authority':'EPSG','code':9807}},'parameters':[{'name':'Latitude of natural origin','value':6.66666666666667,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-12,'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':500000,'unit':{'type':'LinearUnit','name':'Gold Coast foot','conversion_factor':0.304799710181509},'id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':0,'unit':{'type':'LinearUnit','name':'Gold Coast foot','conversion_factor':0.304799710181509},'id':{'authority':'EPSG','code':8807}}],'id':{'authority':'EPSG','code':19963}} (geocrs:projJSONLiteral)
asWKT	CONVERSION['Sierra Leone New Colony Grid',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',6.66666666666667,ANGLEU (...) NIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-12,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',500000,LENGTHUNIT['Gold Coast foot',0.304799710181509],ID['EPSG',8806]],PARAMETER['False northing',0,LENGTHUNIT['Gold Coast foot',0.304799710181509],ID['EPSG',8807]],ID['EPSG',19963]] (geocrs:wktLiteral)
has_ballpark_transformation	false (xmls:boolean)
method_name	Transverse Mercator (xsd:string)
parameter	False easting (geoepsg:Sierra_Leone_New_Colony_Grid_falseEasting) [500000.0 Gold Coast foot] False northing (geoepsg:Sierra_Leone_New_Colony_Grid_falseNorthing) [0.0 Gold Coast foot] Latitude of natural origin (geoepsg:Sierra_Leone_New_Colony_Grid_latitudeOfNaturalOrigin) [6.666667 om:degree] Longitude of natural origin (geoepsg:Sierra_Leone_New_Colony_Grid_longitudeOfNaturalOrigin) [-12.0 om:degree] Scale factor at natural origin (geoepsg:Sierra_Leone_New_Colony_Grid_scaleFactorAtNaturalOrigin) [1.0 unity]
usage	EngineeringSurvey (geoepsg:EngineeringSurvey) topographic map (geoepsg:TopographicMap)
type (rdf:type)	mercator projection (geoepsg:MercatorProjection)
comment (rdfs:comment)	Replaces the Sierra Leone Colony Grid. New grid is 422.3 ft west and 112.1 ft south of old grid. (xmls:string)
label (rdfs:label)	Sierra Leone New Colony Grid: Transverse Mercator (rdf:langString) (iso6391:en)
Is coordinate operation of	Sierra Leone 1924 / New Colony Grid (geoepsg:2159)

Sierra Leone New Colony Grid: Transverse Mercator

Metadata