 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 su  -sa     67.502  -80.686  0.3249
  
 covariance matrix (rad2/m.y.2 e-10
     295.0     -34.7      25.3
     -34.7    1121.1     317.1
      25.3     317.1     442.0
  
