# CODE TABLE 3.2, Shape of the Earth
0:0:Earth assumed spherical with radius = 6,367,470.0 m
1:1:Earth assumed spherical with radius specified by data producer
2:2:Earth assumed oblate spheroid 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)
3:3:Earth assumed oblate spheroid with major and minor axes specified by data producer
4:4:Earth assumed oblate spheroid as defined in IAG-GRS80 model (major axis = 6,378,137.0 m, minor axis = 6,356,752.314 m, f = 1/298.257222101)
5:5:Earth assumed represented by WGS84 (as used by ICAO since 1998)
6:6:Earth assumed spherical with radius of 6,371,229.0 m
7:7:Earth assumed oblate spheroid with major and minor axes specified (in m) by data producer
8:8: Earth model assumed spherical with radius 6,371,200 m, but the horizontal datum of the resulting Latitude/Longitude field is the WGS84 reference frame
# 7-191 Reserved
# 192- 254  Reserved for local use
255:255:Missing
