[ellipsoid]
China-1954
China-1967
China-1975
China-1980
China-1983
WGS-60
WGS-66
WGS-72
WGS-84
Bessel
Hayford
Clarke-1866
Krasovsky
YouCunYi(China)
GRIM-1
GRIM-2
GEM-8
GEM-10

[China-1954]
a=6378245
1/f=298.3
date=1954
append=

[China-1967]
a=6378160
1/f=298.247167
date=1967
append=

[China-1975]
a=6378140
1/f=298.257
date=1975
append=

[China-1980]
a=6378137
1/f=298.257
date=1979
append=

[China-1983]
a=6378136
1/f=298.257
date=1983
append=

[WGS-60(GPS)]
a=6378156
1/f=298.3
date=1960
append=

[WGS-66]
a=6378145
1/f=298.25
date=1966
append=

[WGS-72]
a=6378135
1/f=298.26
date=1972
append=

[WGS-84]
a=6378137
1/f=298.257223563
date=1984
append=GPS

[Bessel]
a=6377397
1/f=299.15
date=1841
append=

[Hayford]
a=6378388
1/f=297
date=1910
append=

[Clarke-1866]
a=6378206
1/f=294.978
date=1866
append=

[Krasovsky]
a=6378245
1/f=298.3
date=1942
append=

[YouCunYi(China)]
a=6378143
1/f=298.257
date=1978
append=China

[GRIM-1]
a=6378155
1/f=298.255
date=1975
append=

[GRIM-2]
a=6378136.5
1/f=298.255
date=1976
append=

[GEM-8]
a=6378145
1/f=298.256
date=1976
append=

[GEM-10]
a=6378140
1/f=298.255
date=1977
append=

[OldToNew]
1:China-1954->China-1980=111.00697 -94.97846 -74.97962
1:China-1980->China-1954=-111.00697 94.97846 74.97962
2:China-1980->WGS-84=0 0 1.9 0 0 -0.814 0.00000038
2:WGS-72->WGS-84=0 0 4.5 0 0 -0.554 0.000000227
1:WGS-72->Krasovsky=-27 135 89
1:Clarke1866->WGS-72=-89 210 289
1:Krasovsky->WGS-72=27 -135 -89
1:Krasovsky->WGS-84=-100 -248 259