EntityQ3495324· pop 11· linked from 24 articlesorthometric heightSign in to savealtitude above geoid or mean sea levelWikidata factsSubclass ofaltitudevia Wikidata · CC0ConnectionsgeoidEntitylevellingEntityGlobal Positioning SystemEntitydigital object identifierEntitysea levelEntityInternational Standard Serial NumberEntitygeodesyEntityheight above mean sea levelEntitybibcodeEntityplumblineEntityQ22908627EntityelevationEntityHandle SystemEntityreference ellipsoidEntityECEFEntityvertical datumEntityGeodetic coordinatesEntityNational Geodetic SurveyEntitynormal heightEntityphysical geodesyEntityCategoriesGeodesySurveyingVertical position