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For data in GRIB1 format the earth model is a sphere with radius = 6367.47 km (note, this is inconsistent with what is actually used in the IFS), , as defined in the the WMO GRIB Edition 1 specifications, Table 7, GDS Octet 17.
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For data in GRIB1 format the earth model is a sphere with radius = 6367.47 km (note, this is inconsistent with what is actually used in the IFS), , as defined in the the WMO GRIB Edition 1 specifications, Table 7, GDS Octet 17.
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