 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ca  -eu     -1.571  -71.648  0.0982
  
 covariance matrix (rad2/m.y.2 e-10
      63.6    -121.5      21.6
    -121.5     369.6     -87.1
      21.6     -87.1      69.6
  
