Subject: Re: VTNYQC - been done?
Date: Nov 12, 2002 @ 13:15
Author: Meridien24 ("Meridien24" <meridien24@...>)
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--- In BoundaryPoint@y..., "acroorca2002" <orc@o...> wrote:
> yes a beer for me too
> but because 645a is more than a second south of 644
> i find it hard to visualize so much northering as you see
> & certainly not in the middle of the lake
>
> --- In BoundaryPoint@y..., "bjbutlerus" <bjbutler@b...> wrote:
> > The great circle through both monuments would intersect the
> middle of
> > the lake north of both monuments, perhaps reconciling the
> USGS given
> > position with your average, Mike. My spherical trigonometry is
> too
> > rusty to yield a quick answer. Anybody else?
> >
> > By the way, I'm rooting for some beer to go with all that ice.
> >
> > BJB
> >
> > > such an averaging will produce a tripoint position of
> > > nad27 45d00m38s3775 x 73d20m40s036
> > > which tho probably unreliable beyond tenths of a second
> > > still seems far more credible than the usgs positioning
> > > which incidentally has the additional defect
> > > of placing the tripoint north of both monuments
> > > yikes
> > > for how could that be true
> > >
> > > while neither position is terribly punctilious
> > > they both still afford target areas of about 10 foot circles
> > > whose centers are more than 100 feet apart