[gradsusr] how to deal with gribscan and wgrib/wgrib2?

[muhammad hasan ali baig]

Dear all,
            I am using the latest version of GrADS in windows
'grads-2.0.a9.oga.1-win32_superpack'. I tried to use gribscan and
wgrib/wgrib2 to convert my data into GRIB2 format but message occurred
'unknown command'. How can i deal with this problem?

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*Muhammad Hasan Ali Baig,
*

*Key Laboratory of Meteorological Disaster of Ministry of Education，Nanjing*

*University of Information Science & Technology, Nanjing 210044, P. R. China
*
*Mobile: +8615251705047
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*
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