MHW height

Property	Value
area_of_use	World. (geoepsg:5868_area_of_use)
asProj4	+vunits=m +no_defs +type=crs (geocrs:projLiteral)
asProjJSON	{'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'VerticalCRS','name':'MHW height','datum':{'type':'VerticalReferenceFrame','nam (...) e':'Mean High Water'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':'metre'}]},'scope':'Hydrography and nautical charting.','area':'World.','bbox':{'south_latitude':-90,'west_longitude':-180,'north_latitude':90,'east_longitude':180},'id':{'authority':'EPSG','code':5868}} (geocrs:projJSONLiteral)
asWKT	VERTCRS['MHW height',VDATUM['Mean High Water'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['metre',1]],USAGE[SCOPE['Hydrography and (...) nautical charting.'],AREA['World.'],BBOX[-90,-180,90,180]],ID['EPSG',5868]] (geocrs:wktLiteral)
coordinate system	EPSG:5868 CS: vertical (geoepsg:5868_cs)
datum	Datum: Mean High Water (geoepsg:Mean_High_Water)
epsgCode	EPSG:5868 (xmls:string)
isApplicableTo	Earth (geoepsg:Earth)
isBound	false (xmls:boolean)
isGeocentric	false (xmls:boolean)
isGeographic	false (xmls:boolean)
isProjected	false (xmls:boolean)
isVertical	true (xmls:boolean)
usage	Hydrography and nautical charting (xmls:string)
type (rdf:type)	vertical coordinate reference system (geoepsg:VerticalCRS)
label (rdfs:label)	MHW height (rdf:langString) (iso6391:en)