 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 am  -in    -19.685 -167.504  0.4558
  
 covariance matrix (rad2/m.y.2 e-10
     233.8     128.8    -109.1
     128.8    1009.3     387.2
    -109.1     387.2     564.4
  
