 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -sw      8.557   90.968  6.1943
  
 covariance matrix (rad2/m.y.2 e-10
  132241.0  -65571.4 -228244.5
  -65571.4   39670.2  115965.2
 -228244.5  115965.2  404768.8
  
