Miniature rates study with increasing raster: MCC raster 2x2 spot++ 1.5x1.5 T1 rate 640 T2 rate 33 run 3917 3x4 2.5x2.5 630 31 3918 4x5 3.0x3.0 640 32 3919 5x6.6 3.5x3.5 920 40 3920 Decide to revert to 3x4 nominal values.