 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ON  -WL     73.722  178.711  1.5558
  
 covariance matrix (rad2/m.y.2 e-10
    3367.3    -230.3     140.2
    -230.3    3527.1     -12.3
     140.2     -12.3    3603.0
  
