 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sr  -in    -51.091 -170.366  0.6123
  
 covariance matrix (rad2/m.y.2 e-10
    1667.4    -121.7   -2179.6
    -121.7     416.8     349.8
   -2179.6     349.8    3382.2
  
