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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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