Leica MX400 Operating Instructions Manual page 169

Operator's Manual
A full datum shift has 9 terms: Ellipsoid Semi-Major Axis, Flatten-
ing, Scaling Factor, Delta X/Y/Z, Rotation X/Y/Z. The following
tables describe these terms:
156
Table A-2. Ellipsoid Semi-Major Axis
6378137 WGS84
6378135 WGS72
6378388 INTERNATIONAL
6378206.4 Clarke 1866
6378249.145 Clarke 1880
6377276.345 Everest
6377304.063 Modified Everest
6377397.155 Bessel
6378160 Australian National
6377563.396 Airy
6377340.189 Modified Airy
6378270 Hough
6378160 South American 1969
6378137 GRS 80
6378200 Helmert 1906
6378245 Krassovsky
6378155 Modified Fischer
Table A-3. 1/f Inverse Flattening
Datum List
Version 3.2