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

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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References in periodicals archive ?
It also provides only the grid azimuth, forcing the planner to use scratch paper to convert to the magnetic azimuth, and the planner is hard-pressed if he loses it.
* Determine the magnetic azimuth, also called "accounting for declination" (Figure 5).
The angle between the magnetic and reference lines is the magnetic azimuth. To obtain this, add or subtract the declination angle from the grid azimuth angle.