 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 an  -eu     50.446   98.598  0.0774
  
 covariance matrix (rad2/m.y.2 e-10
     146.7     -11.3     -68.4
     -11.3      32.1     -31.1
     -68.4     -31.1     169.9
  
