[Proj] Conversion from WGS84 to UTM31

[Martin Vermeer]

On Tue, 2006-02-28 at 11:42 +0100, Fabien Brachere wrote:

Hello ,
I'm trying to convert data from my GPS to UTM31 coordinates and I use
something like that:

./cs2cs -v +init=epsg:4326 +to +init=epsg:23031

Surely there must be a datum offset... UTM31 coordinates on the
international ellipsoid sounds like a terrestrial, non-geocentric datum,
even if the <23031> entry doesn't provide one. 100 m sounds about right.

- Martin

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