• airy_1830 : vcsl_spheroid
• australian_national : vcsl_spheroid
• bessel_1841 : vcsl_spheroid
• clarke_1866 : vcsl_spheroid
• clarke_1880 : vcsl_spheroid
• everest_1830 : vcsl_spheroid
• grs_1980 : vcsl_spheroid
• international : vcsl_spheroid
• modified_airy : vcsl_spheroid
• modified_everest : vcsl_spheroid
• south_american_1969 : vcsl_spheroid
• wgs_1972 : vcsl_spheroid
• wgs_1984 : vcsl_spheroid