0 0 SATELLITE COORDINATES
1 1 OBSERVATION COORDINATES
2 2 START OF OBSERVATION
3 3 END OF OBSERVATION
4 4 HORIZONTAL CENTRE OF GRAVITY OF THE OBSERVATION
5 5 VERTICAL CENTRE OF GRAVITY OF THE OBSERVATION
6 6 TOP OF THE OBSERVATION
7 7 BOTTOM OF THE OBSERVATION
8 8 PROJECTION ORIGIN
9 9 COORDINATES OF TRUE SCALE
255 255 MISSING VALUE
