 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 an  -ca     22.999  105.094  0.1597
  
 covariance matrix (rad2/m.y.2 e-10
     224.7    -151.5     -80.9
    -151.5     416.4     -93.6
     -80.9     -93.6     252.7
  
