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  • SOD is an eight digit code to uniquely describe an occupation of a geodetic monument.
  • DOMES is a nine character code to unambiguously identify a geodetic instrument reference point and/or geodetic marker
  • MERIT is Monitoring of Earth Rotation and Intercomparison of Techniques campaign from the early 1980s
  • SINEX file is a System Independent data Exchange format
  • System eccentricities are the offsets from the geodetic monument (if one exists) to the optical reference point.