 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sc  -EA    -24.434 -112.391 11.4329
  
 covariance matrix (rad2/m.y.2 e-10
    4660.5      27.0    -928.5
      27.0    6541.1     814.6
    -928.5     814.6    8486.6
  
