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Re: [at-l] reading maps




> >From: Kenneth Knight <krk@mail.speakeasy.org>
> >Date: Mon, 11 Dec 2000 11:58:48 -0500
> >
> >I don't have any that I can look at right now, but I can't think of any
of
> >my AT maps that have
> >contour lines of merely 10'. I've seen 40' and 100' lines. I'm not saying
> >they don't exist, jus that
> >I can't recall seeing any.
>
> Working at home today...  Of the ones I've checked, the MA/CT maps are 10'
> contours, the PATC maps are 20', the KTA map is 100', and the ATC maps
> through VT/NH are 20'.  So, they seem to be all over the board.
>
> >...before
> >remembering what scale the map is drawn too
>
> Then there's the vertical exageration on the profiles...  it's funny, all
of
> the maps I just checked were 5.28 but I know there more  variation than
that
> - perhaps further south.  A lot of people compared profiles without taking
> into account the vertical profile.  Then they would think the maps were
> wrong.  Go figure...
>
>
>
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