Magnetic azimuth

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an arc of the horizon, intercepted between the vertical circle passing through any object and the magnetic meridian. This is found by observing the object with an azimuth compass.
- Hutton.

See also: Azimuth

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References in periodicals archive ?
In this regard, learning to use the compass is not only easier for use in the field but also faster for converting from grid to magnetic azimuth.
The system provides aircraft pitch, roll, and yaw information and uses a three-axis magnetic azimuth detector to derive aircraft heading.
The new upgrade kit will replace the decades old Radar Video Indicator, Radar Control Indicator, Inertial Navigation System (INS), and INS Adapter and Magnetic Azimuth Indicator, resulting in substantial repair cost savings on these obsolescent items.