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Message from discussion how to find distance for sea route
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William  
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 More options Mar 30 2010, 8:10 pm
From: William <william.g...@gmail.com>
Date: Tue, 30 Mar 2010 17:10:28 -0700 (PDT)
Local: Tues, Mar 30 2010 8:10 pm
Subject: Re: how to find distance for sea route
On Mar 31, 4:47 am, pmhooda <pr...@lqm.com> wrote:
> But these distances were provided by google or it was their own
> algorithm to calculate distance ?

it's their own database, which includes draft (depth) measurements for
a ship when calculating the route. They say "Our highly accurate
distance tables were initially developed with the support of the
Centre for Applied Mathematics of the prestigious Ecole des Mines
engineering school in Paris."

 
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