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    Re: Compass error and horizontal angles
    From: John Brown
    Date: 2015 Jun 25, 10:49 -0700

    Dave

    ...We used to do similar to score radar PPI photos.

    Interesting development of a time honoured fix.  I checked back to g31876 where Andres says that he used three bearings to get a fix by horizontal angles, hence my original post.

    re too many Daves - I know what you mean!

    John

       
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