0 0 WGS84, AS USED BY ICAO SINCE 1998
1 1 ETRS89, AS DEFINED BY EPSG:4258
2 2 NAD83, AS DEFINED BY EPSG:4269
3 3 DHDN, AS DEFINED BY EPSG:4314
4 4 ELLIPSOIDAL DATUM USING THE INTERNATIONAL REFERENCE MERIDIAN AND THE INTERNATIONAL REFERENCE POLE AS THE PRIME MERIDIAN AND PRIME POLE, RESPECTIVELY, AND THE ORIGIN OF THE INTERNATIONAL TERRESTRIAL REFERENCE SYSTEM (ITRS) (SEE NOTE 2). THE INTERNATIONAL REFERENCE MERIDIAN, INTERNATIONAL REFERENCE POLE AND ITRS ARE MAINTAINED BY THE INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
65535 65535 MISSING VALUE
