 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -WL      4.905  -58.797  1.8921
  
 covariance matrix (rad2/m.y.2 e-10
    3413.6    -186.7      87.6
    -186.7    4279.7       0.7
      87.6       0.7    3639.3
  
