GRIB2 - TABLE 3.2
Shape of the Earth
Section 3, Octet 15
(Does not apply to grid templates 50-53, 100, 120, and 1200)
Created 05/11/05

Number | Meaning
--- | ---
0 | Earth assumed spherical with radius = 6,367,470.0 m
1 | Earth assumed spherical with radius specified by data producer
2 | Earth assumed oblate spheriod with size as determined by IAU in 1965 (major axis = 6,378,160.0 m, minor axis = 6,356,775.0 m, f = 1/297.0)
3 | Earth assumed oblate spheriod with major and minor axes specified by data producer
4 | Earth assumed oblate spheriod with definedin IAG-GRS80 model (major axis = 6,378,137.0 m, minor axis = 6,356,752.314 m, f = 1/298.257222101)
5 | Earth assumed represented by WGS84 (as used by ICAO since 1998) (Uses IAG-GRS80 as a basis)
6 | Earth assumed spherical with radius = 6,371,229.0 m
7-191 | Reserved
192-254 | Reserved for Local Use
255 | Missing

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