Clarke 1866
Clarke 1880
Bessel
International 1967
International 1909
WGS 72
Everest
WGS 66
GRS 1980
Airy
Modified Airy
Modified Everest
WGS 84
Southeast Asia
Australian National
Krassovsky
Hough
Mercury 1960
Modified Mercury 1968
Sphere of Radius 6370997m
Sphere of Radius 6371228m
Sphere of Radius 6371007.181m