GRIB section 2, the grid description section
- Latitude/longitude or equidistant cylindrical or plate carree grids
- Gaussian grids
- Sub-area of a quasi-regular gaussian grid (ECMWF convention)
- Spherical harmonic coefficients
- Polar stereographic
- Mercator
- Lambert conformal, secant or tangent, conical or bi-polar (normal or oblique) or Albers equal-area, secant or tangent, conical or bi-polar (normal or oblique)
- Space view perspective or orthographic
- ECMWF ocean data