 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -an     28.622   30.056  1.1535
  
 covariance matrix (rad2/m.y.2 e-10
    1807.6     219.9     -10.0
     219.9    2507.7      85.7
     -10.0      85.7    1903.2
  
