 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 in  -yz     15.803   15.563  0.4467
  
 covariance matrix (rad2/m.y.2 e-10
     189.2     183.9       9.4
     183.9     913.8     183.7
       9.4     183.7     231.4
  
