This whole coordinate issue may turn out to be a problem with my
[older unit] GPS. I'll let you know.

BJB

--- In BoundaryPoint@y..., Bill Hanrahan <hanrahan@k...> wrote:
> Good to hear...in most cases (depending on terrain) resolution to
the
> nearest second generally suffices for me anyway.
>
> Bill
>
> bjbutler@b... wrote:
>
> > See message 2444, but basically I think you will be OK if you use
> > only the geocoordinates and not the UTM coordinates displayed by
> > topozone.
> >
> > BJB
> >
> > --- In BoundaryPoint@y..., Bill Hanrahan <hanrahan@k...> wrote:
> > > Thanks Bryan. It will be interesting to see what their response
> > will
> > > be. I've also been relying on Topozone on the job...
> > >
> > > Bill
> > >
> > > bjbutler@b... wrote:
> > >
> > > > Anyone using www.topozone.com to acquire GPS coordinates
should be
> >
> > > > aware that they are using a mixture of NAD27 and NAD83 UTM
> > > > coordinates, but there is no way to tell which is which. They
> > > > believe all coordinates are NAD27. However, last week I
relied on
> >
> > > > this misinformation during a bushwhack from the Delaware Arc
> > monument
> > > > to the Delaware - Maryland - Pennsylvania tri-point and ended
up
> > in a
> > > > hay field 200 meters north of the tri-state monument. Using
the
> > same
> > > > target coordinates, but interpreting them using the NAD83
datum
> > > > yields the correct result.
> > > >
> > > > I have contacted topozone about this problem.
> > > >
> > > > Regards,
> > > > BJB
> > > >
> > > >
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