 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -nb    -14.774 -160.430  0.1998
  
 covariance matrix (rad2/m.y.2 e-10
    1857.7     -62.3     -70.2
     -62.3    3173.1     106.6
     -70.2     106.6    2094.1
  
