 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -nz    -41.024   66.068  0.3697
  
 covariance matrix (rad2/m.y.2 e-10
      63.4     113.8     -98.5
     113.8     408.2     -82.6
     -98.5     -82.6     428.5
  
