> > I have the following Long lat and UTM values from the
> > converters. Can you explain what you mean by "converters"?
> > 
> > 24.5N -2711052
> > 41E    -702655
> > 
> > 47N -5209532
> > 84E  -271930

Micha wrote:
> As you probably know, the two lon values above are in
> widely separated UTM zones. 41E is in zone UTM37N while 84E
> is in zone UTM 45N. These two UTM zones are actually two
> *different* projections - with different origins.

visual aid- see "UTM Zones" linked from here:
  http://grass.osgeo.org/wiki/Gis_Concepts#Map_projections


Hamish





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