 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 xx  -am    -63.170   57.176  0.2973
  
 covariance matrix (rad2/m.y.2 e-10
     223.0     -67.2    -102.2
     -67.2     376.3     309.3
    -102.2     309.3     535.3
  
