National Geodetic Survey XyzWin XyzWin is a PC Windows program for converting NAD83 Latitude and Longitude to earth centered XYZ values on the GRS80 ellipsoid and vice versa. From the Main Window, click the 'Help' menu button for more information. Problems?, contact: ------------------- National Geodetic Survey Information Branch EMail = ngs.infocenter@noaa.gov Phone = (301) 713-3242