φ, or phi) of a point on Earth's surface is the angle between the equatorial plane and the straight line that passes through that point and through (or close to) the center of the Earth.
Φ, utawi phi) wantah titik ring duur tanah jagaté punika wantah sudut pantaraning bidang ekuator miwah garis lurus sané nglintangin titik punika miwah sané nglintangin (utawi nampek) ring puser bumi.