 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 am  -pa     65.923  -82.680  0.9290
  
 covariance matrix (rad2/m.y.2 e-10
     208.8    -209.9     -73.0
    -209.9     399.7     251.2
     -73.0     251.2     627.9
  
