10	'iexpt ' = experiment number x10 (000=from archive file)
  3	'yrflag' = days in year flag (0=360J16,1=366J16,2=366J01,3-actual)
&idm    'idm   ' = longitudinal array size
&jdm    'jdm   ' = latitudinal  array size
&kdm    'kdm   ' = number of layers
 34.0	'thbase' = reference density (sigma units)
  1     'surflg' =number of  surface heat flux fields [1,3,4]
  1	'smooth' = smooth fields before plotting (0=F,1=T)
  1	'iorign' = i-origin of plotted subregion
  1	'jorign' = j-origin of plotted subregion
  0     'idmp  ' = i-extent of plotted subregion (<=idm; 0 implies idm)
  0     'jdmp  ' = j-extent of plotted subregion (<=jdm; 0 implies jdm)
  1     'itype ' = interpolation type (0=sample,1=linear)
 26     'kz    ' = number of depths to sample
  1     'z    '  = sample depth
  3     'z    '  = sample depth
  5     'z    '  = sample depth
7.5     'z    '  = sample depth
 10     'z    '  = sample depth
 15     'z    '  = sample depth
 20     'z    '  = sample depth
 25     'z    '  = sample depth
 30     'z    '  = sample depth
 40     'z    '  = sample depth
 50     'z    '  = sample depth
 60     'z    '  = sample depth
 70     'z    '  = sample depth
 80     'z    '  = sample depth
100     'z    '  = sample depth
120     'z    '  = sample depth
140     'z    '  = sample depth
160     'z    '  = sample depth
180     'z    '  = sample depth
200     'z    '  = sample depth
220     'z    '  = sample depth
240     'z    '  = sample depth
250     'z    '  = sample depth
275     'z    '  = sample depth
300     'z    '  = sample depth
350     'z    '  = sample depth
  0     'sshio ' = sea surface height
  0     'mtgio ' = Montgomery stream function
 51     'mltio ' = mix. lay. thick. I/O unit (0 no I/O)
  0     'infio ' = interface depths I/O unit (0 no I/O)
  0     'wviio ' = intf. w-velocity I/O unit (0 no I/O)
 51     'wvlio ' = w-velocity       I/O unit (0 no I/O)
 51     'uvlio ' = u-velocity       I/O unit (0 no I/O)
 51     'vvlio ' = v-velocity       I/O unit (0 no I/O)
  0     'splio ' = speed            I/O unit (0 no I/O)
 51     'temio ' = temperature      I/O unit (0 no I/O)
 51     'salio ' = salinity         I/O unit (0 no I/O)
  0     'tthio ' = density          I/O unit (0 no I/O)
 51     'ohcio ' = ocean heat content      I/O unit (0 no I/O)
 51     'z26io ' = depth of 20C isotherm   I/O unit (0 no I/O)
 51     'z20io ' = depth of 20C isotherm   I/O unit (0 no I/O)
  0     'keio  ' = kinetic energy   I/O unit (0 no I/O)