Grid Analysis and Display System (GrADS) Version 2.0.2.oga.2
Copyright (c) 1988-2011 by Brian Doty and the
Institute for Global Environment and Society (IGES)
GrADS comes with ABSOLUTELY NO WARRANTY
See file COPYRIGHT for more information

Config: v2.0.2.oga.2 little-endian readline printim grib2 netcdf hdf4-sds hdf5 opendap-grids,stn athena geotiff shapefile
Issue 'q config' command for more detailed configuration information
Loading User Defined Extensions table </Net/elninost/abhardwaj/tar/grads-2.0.2.oga.2/Contents/Linux/Versions/2.0.2.oga.2/x86_64/gex/udxt> ... ok.
GX Package Initialization: Size = 11 8.5 
Running in Batch mode
No hardcopy metafile open
All files closed; all defined objects released;
All GrADS attributes have been reinitialized
Notice: Implied interpolation for file pcp1997.ctl
 Interpolation will be performed on any data displayed from this file
Syntax Error:  Invalid Operand 
  'pratesfc' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression. 
Syntax Error:  Invalid Operand 
  'pratesfc' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression. 
Syntax Error:  Invalid Operand 
  'df' not a variable or function name
  Error ocurred at column 1
DEFINE error:  Invalid expression. 
Syntax Error:  Invalid Operand 
  'djf' not a variable or function name
  Error ocurred at column 4
DEFINE error:  Invalid expression.