 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 na  -an    -60.177  -53.883  0.2825
  
 covariance matrix (rad2/m.y.2 e-10
     179.0     -43.2    -109.5
     -43.2      60.6       0.3
    -109.5       0.3     195.9
  
