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MARS/Dissemination

Specifies the packing method used in the target GRIB messages.  

packing=<value>

Valid values for latitude/longitude output are simple packing (simple), second order (so) or, for GRIB2 fields, CCSDS (ccsds). Valid values for spectral fields are complex packing (co) or simple packing (simple).

The default packing types for gridded data 

Input field 

Output packing type 
(with keyword grid=... )

GRIB1/GRIB2 gridded

inherited from input

GRIB1/GRIB2 spectral

simple

To preserve the packing of the archived data one would specify archived value (packing = av).




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