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    Re: Back In Hobby: Some Questions, Please
    From: Alexandre Eremenko
    Date: 2007 Apr 26, 14:23 -0400

    
    Ken,
    Thanks a lot for the interesting data.
    
    > Nov. 14
    > alt LL 36�14'00"
    > ind err    9'20"
    > Temp 30�F, Lat 52�59'37"
    > [53�01']
    
    The number in square brackets is your best guess,
    correct? How good and how reliable this best guess
    on your opinion?
    
    With Cook's observations in Point Venus I have an advantage
    of knowing their position very precisely, from
    comparing their large scale map, the modern map with the
    monument marked and Terraserver photos.
    So I am sort of certain to 0.5 mile,
    and it is very likely that I know the position to 0.2 mile,
    especially the longitude because the shore goes more or less
    N-S there and they surely observed near the shore:-)
    
    On the other hand, it is not unheard of that a shoreline
    could shift by a half of a mile during two centuries:-)
    Because of erosion or general change in sea level, or
    local lift of the ocean floor, or whatever.
    
    So far my study of their results shows that they seem
    to be much worse than expected... So I am looking for
    various types of explanations of this.
    
    Alex.
    
    
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