 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 na  -yz    -68.607  -34.571  0.3382
  
 covariance matrix (rad2/m.y.2 e-10
     261.3      58.3      20.5
      58.3     582.9     248.4
      20.5     248.4     450.2
  
