NGI Coordinate Conversion Utility

Please make use of this freely downloadable Excel based utility that can convert from:Gauss Conform -> Geographic, Transverse Mercator, UTM and Geocentric Cartesian coordinates
Geographic -> Gauss Conform, Transverse Mercator, UTM and Geocentric Cartesian coordinates     
Geocentric Cartesian -> Geographic, Gauss Conform, Transverse Mercator and UTM coordinates
dd.ddddddd <-> dd mm.sssss <-> dd mm ss.sssss

CDNGI Coordinate Conversion Utility v1 Sep 2009