| Octet No. | Contents |
|---|---|
| 15 | Shape of the Earth (See Table 3.2) |
| 16 |
Scale factor of radius of
spherical Earth |
| 17-20 |
Scaled value of radius of
spherical Earth |
| 21 |
Scale factor of major axis of
oblate spheroid Earth |
| 22-25 |
Scaled value of major axis of
oblate spheroid Earth |
| 26 |
Scale factor of minor axis of
oblate spheroid Earth |
| 27-30 |
Scaled value of minor axis of
oblate spheroid Earth |
| 31-34 | Nx ‐ number of points along x-axis |
| 35-38 |
Ny ‐ number of points along
y-axis |
| 39-42 |
La1 ‐ latitude of
tangency point (centre of grid) |
| 43-46 |
Lo1 ‐ longitude of
tangency point |
| 47 |
Resolution and component flags (see Flag Table 3.3) |
| 48-51 |
Dx ‐ x-direction grid length in
units of 10 -3 m as measured at the point of the axis
|
| 52-55 |
Dy ‐ y-direction grid length in
units of 10-3 m as measured at the point of the axis |
| 56 |
Projection centre flag (see Flag Table 3.5) |
| 57 | Scanning mode (see Flag Table 3.4) |
| Notes: 1. A scale value of radius of spherical Earth, or major or minor axis of oblate spheroid Earth, is derived by applying the apropriate scale factor to the value expressed in meters. |