[gradsusr] Opening and extracting grads file generated from fortran

[irene alabia]

Dear Grads-users,

I am working with data files which I believed are created using Fortran
code. I am new to Grads and I tried the basic commands  to explore the data
files but cant get past the opening phase. the file has a control file
which looks like this:

ga-> open mld.ctl
Scanning description file:  mld.ctl
Data file %y4/mld.%y4%m2%d2_%h2%n2 is open as file 1
LON set to 99.5 285
LAT set to -15.5 65
LEV set to 0.5 0.5
Time values set: 1981:1:1:0 1981:1:1:0
E set to 1 1

ga-> q file
File 1 : Mixed layer depth (delta_sigma = 0.05)
  Descriptor: mld.ctl
  Binary: %y4/mld.%y4%m2%d2_%h2%n2
  Type = Gridded
  Xsize = 372  Ysize = 162  Zsize = 54  Tsize = 1080  Esize = 1
  Number of Variables = 2
     mld  1  99  Mixed layer depth (unit in m ; d_sigma=0.05)
     rsig  1  99  Surface density

 Any help to read and save the files for each Zlevels is very much
appreciated. Thanks in advance.

Best regards,
Irene
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