Before revision: upright=1.2|Longitude lines are perpendicular to and latitude lines are parallel to the Equator A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude.
After revision: upright=1.2|Longitude lines are perpendicular to and latitude lines are parallel to Equator A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude.