108 DG14 and DG16 Board & Sensor Reference Manual
Table 6.16 lists the predefined ellipsoids.
PIT International 1924 185, 165, 42 Pitcairn Astro 1967 (Pitcairn Island)
QAT International 1924 -128, -283, 22 Qatar National (Qatar)
QUO International 1924 164, 138, -189 Qornoq (South Greenland)
SAN S. American 1969 -57, 1, -41 SAMER69 S. American 1969 (Argentina, Bolivia,
Brazil, Chile, Colombia, Ecuador, Guyan, Peru,
Paraguay, Venezuela, Trinidad, Tobago)
SCK Bessel 1841
Namibia
616, 97, -251 Schwarzeck (Namibia)
TIL Everest -689, 691, -46 Timbalai 1948 (Brunei, East Malaysia, Sarawak,
Sabah)
TOY Bessel 1841 -128, 481, 664 Tokyo (Japan, Korea, Okinawa)
USR User Defined user defined User defined
W72 WGS-72 0, 0, +4.5 WGS-72 World Geodetic System - 72
W84 WGS-84 0, 0, 0 WGS-84 World Geodetic System - 84
ZAN International 1924 -265, 120, -358 Zanderij (Surinam)
Table 6.16. Predefined Ellipsoids
Ellipsoid a (metres) 1/f f
Airy 1830 6377563.396 299.3249647 0.00334085064038
Modified Airy 6377340.189 299.3249647 0.00334085064038
Australian National 6378160.0 298.25 0.00335289186924
Bessel 1841 6377397.155 299.1528128 0.00334277318217
Clarke 1866 6378206.4 294.9786982 0.00339007530409
Clarke 1880 6378249.145 293.465 0.00340756137870
Everest (India 1830) 6377276.345 300.8017 0.00332444929666
Everest (W. Malaysia and
Singapore)
6377304.063 300.8017 0.00332444929666
Geodetic Reference System
1980
6378137.0 298.257222101 0.00335281068118
Helmert 1906 6378200.0 298.30 0.00335232986926
Table 6.15. Predefined Datums and Associated Reference Ellipsoids (Continued)
Datum ID
Reference
Ellipsoid
Offset in meters
(dX,dY,dZ)
Datum Description
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