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Spherical harmonic coefficients
Element | Contents | Recommended GRIB_API keys
--- | --- | ---
1 | Data representation type (see WMO code table 6) | gridType
2 | J pentagonal resolution parameter. | pentagonalResolutionParameterJ
3 | K pentagonal resolution parameter. | pentagonalResolutionParameterK
4 | M pentagonal resolution parameter. | pentagonalResolutionParameterM
5 | Representation type (see WMO code table 9) | representationType
6 |
    Representation mode (see WMO code table 10):
     1      Real part of (0,0) coefficient stored as a 32-bit floating
            point number; other coefficients are packed.
     2      Complex packing.
| representationMode
7-11 | Reserved. Set to 0. |
12 | Number of vertical coordinate parameters. | NV
13 | Latitude of the southern pole of rotation. | latitudeOfSouthernPoleInDegrees*1000
14 | Longitude of the southern pole of rotation. | longitudeOfSouthernPoleInDegrees*1000
15 | Latitude of the pole of stretching. | latitudeOfPoleOfStretchingInDegrees*1000
16 | Longitude of the pole of stretching. | longitudeOfPoleOfStretchingInDegrees*1000
17-22 | Reserved. Set to 0. |

| 22.10.2010-->-->

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