National Center for Atmospheric Research P. O. Box 3000 Boulder, Colorado 80307-3000 www.ucar.edu NCAR Technical Notes NCAR/ TN-519+ STR Incorporating MAGMA into the ` fields’ spatial statistics package John Paige Isaac Lyngaas Vinay Ramakrishnaiah Dorit Hammerling Raghu Kumar Douglas Nychka NCAR IS SPONSORED BY THE NSF