Here's a bit of a brain teaser.  How would you go about calibrating a 3-axis magnetometer in a vehicle that's too big and heavy to be manipulated by hand?  The brute force method would be to build a big rig to lift the vehicle off the ground with three degrees of rotational freedom.  But is there a simpler way to do this?

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  • Do you have a picture of the vehicle?

    I guess the simplest thing to do would be to drive the vehicle around for a bit collecting magnetometer data...

    Or would that not give you the data you need?

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