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What are compass deviations?

April 26, 2017compass deviations

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What are compass deviations?

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Compass deviation is a false reading from the compass due to outside forces. Steel and Iron objects as well as electric circuits close to the compass may cause deviation. Large structures like buildings will cause deviation at some distance. When using the compass, keep it well clear of metallic objects (knifes, wristwatches, light meters, lighters, steel rimmed eyeglasses and belt buckles); they can cause serious errors.