| Octet No. | Contents |
|---|---|
| 15 | Spectral representation type (See Code Table 3.6) |
| 16-19 | N – bi-Fourier resolution parameter |
| 20-23 | M – bi-Fourier resolution parameter |
| 24 | Bi-Fourier truncation type (See Code Table 3.25) |
| 25-32 | Lx – size in metres of the domain along x-axis |
| 33-40 | Lux – size in metres of model forecast subdomain along x-axis |
| 41-48 | Lcx – width in metres of coupling area within forecast domain along x-axis |
| 49-56 | Ly – size in metres of the domain along y-axis |
| 57-64 | Luy – size in metres of model forecast subdomain along y-axis |
| 65-72 | Lcy – width in metres of coupling area within forecast domain along y-axis |
| 73 | Shape of the Earth (See Code Table 3.2) |
| 74 |
Scale factor of radius of
spherical Earth |
| 75-78 |
Scale value of radius of
spherical Earth |
| 79 |
Scale factor of major axis of
oblate spheroid Earth |
| 80-83 |
Scaled value of major axis of
oblate spheroid Earth |
| 84 |
Scale factor of minor axis of
oblate spheroid Earth |
| 85-88 |
Scaled value of minor axis of
oblate spheroid Earth |
| 89-92 |
La1 ― latitude of first grid point |
| 93-96 | Lo1 ― longitude of
first grid point |
| 97-100 |
LaD — latitude(s) at which the Mercator
projection intersects the Earth (Latitude(s) where Di and Dj are
specified) |
| 101-104 | La2 ― latitude of last grid point |
| 105-108 |
Lo2 — longitude of last grid point |
| 109-112 |
Orientation of the grid, angle between i
direction on the map and the Equator (see
Note 1) |
| Notes: 1. Limited to the range of 0 to 90 degrees. |