On Thu, 12 Jul 2007 14:29:25 +0100
Tony Smith <tony.smith@???> wrote:
> > You can then specify coordinates within those squares using
> > eastings and northings to the required accuracy: so SU424155 is
> > the entrance to the Zepler building where we have meetings, to
> > 100m accuracy.
If anyone is out walking the hills in white-out conditions then 100m
accuracy is just not good enough.
Even 10m would give enough error to allow you to walk over a cliff if
you could not pinpoint your location on a map precisely.
--
John Lewis
Debian (Sid) with the GeneWeb genealogy package