Definition of Azimuthal angle

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Azimuthal Angle
The horizontal angular distance between a fixed reference direction and a position contained within a circle in the horizontal plane. Often referenced as the horizontal angles of a candela distribution.

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Azimuthal Angle Definition from Encyclopedia Dictionaries & Glossaries

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Azimuth
Azimuth is a mathematical concept defined as the angle, usually measured in degrees (°), between a reference plane and a point. This concept is used in many practical applications including navigation, astronomy, mapping, mining and artillery. The word azimuth is derived from the Arabic السمت ('as-sumūt') which means the ways, referring to the ways or directions a person faces.

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