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Thread: Latitude limitations for the use of IRS
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Old 7th May 2019, 10:20
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Bergerie1
 
Join Date: Apr 2009
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Age: 82
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wiggy,

You are right about the old INS - nothing whatever to do with magnetic anything, everything to do with sensing the rotation of the Earth. I am long out of date, but I would guess it is the same today with modern systems.
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