837    'idm   ' = longitudinal array size
  392    'jdm   ' = latitudinal  array size
    0    'mapflg' = map flag (-1=unknown,0=mercator,2=uniform,4=f-plane)
plon:  min,max =        43.12000      110.00000
plat:  min,max =         0.08000       29.90216
qlon:  min,max =        43.07999      109.96000
qlat:  min,max =         0.04000       29.86747
ulon:  min,max =        43.07999      109.96000
ulat:  min,max =         0.08000       29.90216
vlon:  min,max =        43.12000      110.00000
vlat:  min,max =         0.04000       29.86747
pang:  min,max =         0.00000        0.00000
pscx:  min,max =      7711.39551     8895.58691
pscy:  min,max =      7711.39600     8895.58301
qscx:  min,max =      7714.07861     8895.59277
qscy:  min,max =      7714.04736     8895.59277
uscx:  min,max =      7711.39551     8895.58691
uscy:  min,max =      7711.39600     8895.58301
vscx:  min,max =      7714.07861     8895.59277
vscy:  min,max =      7714.04736     8895.59277
cori:  min,max =  0.0000001018172 0.0000726288927
pasp:  min,max =         0.99999        1.00001