 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ps  -an    -54.278  -21.942  1.0865
  
 covariance matrix (rad2/m.y.2 e-10
     991.4    -852.2    -568.2
    -852.2    1544.9     651.9
    -568.2     651.9     508.4
  
