VALUE GRID GRID INCREMENT GRID Image 1 1679-point (73x23) Mercator grid with (1,1) at (0W,48.09S), (73,23) at (0W,48.09N); I increasing eastward, Equator at J=12. See GRIB Specifications 5 degs of Longitude GIF PS 2 10512-point (144x73) global longitude-latitude grid. (1,1) at (0…