 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -AS     33.788  -75.041  0.3929
  
 covariance matrix (rad2/m.y.2 e-10
    1802.8     217.6     -18.6
     217.6    2763.2      75.0
     -18.6      75.0    1952.7
  
