latitud
latitud is the angular distance between the equator and a specific point on Earth, measured along a meridian. It indicates a location North or South of the equator, ranging from 0 degrees at the equator to 90 degrees at the North or South poles. Coordinates are expressed in degrees, minutes, and seconds: Northern values are often marked as positive or N, and Southern values as negative or S.
To calculate the distance of one degree of latitud, one must consider that Earth's slight flattening at the poles causes a degree to vary from 110.57 km at the equator to 111.70 km at the poles. It is typically rounded to 111.12 km, making one minute of latitud 1852 meters and one second 30.86 meters.
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