 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -in     29.099   42.136  0.7425
  
 covariance matrix (rad2/m.y.2 e-10
    1829.7     196.2      10.7
     196.2    3119.1     104.0
      10.7     104.0    1970.7
  
