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The direction (Z) of the MIDG2 changes over time when setting still with no GPS, Why?

April 26, 2017changes direction GPS midg2 setting time

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The direction (Z) of the MIDG2 changes over time when setting still with no GPS, Why?

1 Answer

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The Midg will use the magnetic heading at boot time and switches to GPS after a solution is obtained. If GPS is lost (> 10 minutes) and there is no acceleration over time, the inherent component errors (white noise) will cause the drift.