Positive longitude values correspond to the geographic locations east
Longitude is counted from the prime meridian ( IERS Reference Meridian for WGS 84) and varies from −180° to 180°. Negative latitude values correspond to the geographic locations south of the Equator (abbrev. Positive latitude values correspond to the geographic locations north of the Equator (abbrev. The latitude of the Equator is 0° the latitude of the South Pole is −90° GPS systems widely use coordinates in degrees and decimal minutes, or in decimal degrees. The canonical form of latitude and longitude representation uses degrees (°), minutes (′), and seconds (″). Geographic coordinates (latitude and longitude) define a position on the Earth’s surface. Satellite navigation system (the Global Positioning System).
WGS 84 coordinate reference system is the latest revision of the World Geodetic System, which is used in mapping and navigation, including GPS
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