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> >
> > "CLARIFICATION CONCERNING THE USE OF TERRAIN DATA IN MOVING MAP
DISPLAYS:
> >
> > Terrain data are currently available and can easily be incorporated into
> > moving map displays. However, existing terrain data is not accurate and
can
> > be seriously misleading. The problem is further exacerbated by GPS error
> > introduced by the military. Because of the errors, most moving map
display
> > manufacturers have prudently decided to delay displaying the terrain
data
> > until it is reliable.
> >
> > Among these manufacturers, Archangel is one of the companies selected by
> > NASA to help correct the data presentation problems and develop reliable
synthetic vision displays.
      The corrections are expected to be completed next year. At that time
3-D terrain will be
> > included on Archangel and other moving map displays."
> >
>

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