•
The EIGEN-GLO4C model data and
implementation details can be downloaded from the International Centre for
Global Earth Models
http://icgem.gfz-potsdam.de/ICGEM/ICGEM.html
•
The IERS report 32 can be
downloaded from
http://www.iers.org/
• DE-405/LE-405 ephemerides data & implementation details can be downloaded from ftp://ssd.jpl.nasa.gov/pub/eph/export/