 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ca  -sm    -69.432 -152.630  0.1012
  
 covariance matrix (rad2/m.y.2 e-10
     168.9    -129.1       4.6
    -129.1     459.7     -86.6
       4.6     -86.6     174.7
  
