Instrumentationhard#484
Wander angle drift rate of an IRS at the equator is:
A
Maximum
B
Equal to latitude
C
15°/hour
D
Zero for earth-rate component (only transport wander exists)
CorrectExplanation
Earth-rate drift is 15°×sin(latitude)/hour; at the equator (lat=0°), the earth-rate component is zero.
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