| Octet Number |
Description |
Note |
Status |
| 15 |
Shape of the Earth |
Code/Flag Table 3.2 |
Operational |
| 16 |
Scale factor of radius of spherical Earth |
|
Operational |
| 17-20 |
Scaled value of radius of spherical Earth |
|
Operational |
| 21 |
Scale factor of major axis of oblate spheroid Earth |
|
Operational |
| 22-25 |
Scaled value of major axis of oblate spheroid Earth |
|
Operational |
| 26 |
Scale factor of minor axis of oblate spheroid Earth |
|
Operational |
| 27-30 |
Scaled value of minor axis of oblate spheroid Earth |
|
Operational |
| 31-34 |
Nx - number of points along x-axis (columns) |
|
Operational |
| 35-38 |
Ny - number of points along y-axis (rows or lines) |
|
Operational |
| 39-42 |
Lap - latitude of sub-satellite point |
|
Operational |
| 43-46 |
Lop - longitude of sub-satellite point |
|
Operational |
| 47 |
Resolution and component flags |
Code/Flag Table 3.3 |
Operational |
| 48-51 |
dx - apparent diameter of Earth in grid lengths, in x-direction |
|
Operational |
| 52-55 |
dy - apparent diameter of Earth in grid lengths, in y-direction |
|
Operational |
| 56-59 |
Xp - x-coordinate of sub-satellite point (in units of 10-3 grid length expressed as an integer) |
|
Operational |
| 60-63 |
Yp - y-coordinate of sub-satellite point (in units of 10-3 grid length expressed as an integer) |
|
Operational |
| 64 |
Scanning mode (flags - see Flag table 3.4) |
|
Operational |
| 65-68 |
Orientation of the grid; i.e. the angle between the increasing y-axis and the meridian of the sub-satellite point in the direction of increasing latitude |
(see Note 3) |
Operational |
| 69-72 |
Nr - altitude of the camera from the Earth’s centre, measured in units of the Earth’s (equatorial) radius multiplied by a scale factor of 106 |
(see Notes 4 and 5) |
Operational |
| 73-76 |
Xo - x-coordinate of origin of sector image |
|
Operational |
| 77-80 |
Yo - y-coordinate of origin of sector image |
|
Operational |