Pitney Bowes MapXtreme - Manual (Page 584)

Appendix H: Elements of a Coordinate System
Custom Datums
MapXtreme v7.1 591 Developer Guide
The shift and rotation parameters describe the ellipsoid’s orientation in space, as compared to the
WGS 84 datum. It’s important to make sure that these parameters have the correct signs (positive or
negative). Usually, a document describing a local datum will list the parameters required to convert
23 Hough 6378270.0 297.0
31 IAG 75 6378140.0 298.257222
41 Indonesian 6378160.0 298.247
4 International 1924 6378388.0 297.0
49 Irish (WOFO) 6377542.178 299.325
3 Krassovsky 6378245.0 298.3
32 MERIT 83 6378137.0 298.257
33 New International 1967 6378157.5 298.25
43 NWL 10D 6378135.0 298.26
42 NWL 9D 6378145.0 298.25
44 OSU86F 6378136.2 298.25722
45 OSU91A 6378136.3 298.25722
46 Plessis 1817 6376523.0 308.64
54 Popular Visualization 6378137.0 0.0
52 PZ90 6378136.0 298.257839303
24 South American 6378160.0 298.25
12 Sphere 6370997.0 0.0
47 Struve 1860 6378297.0 294.73
34 Walbeck 6376896.0 302.78
25 War Office 6378300.583 296.0
26 WGS 60 6378165.0 298.3
27 WGS 66 6378145.0 298.25
1 WGS 72 6378135.0 298.26
28 WGS 84 6378137.0 298.257223563
Number Ellipsoid a 1/f