 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 lw  -ar    -31.405 -159.829  0.3767
  
 covariance matrix (rad2/m.y.2 e-10
     514.0     451.5    -276.5
     451.5     482.0    -229.5
    -276.5    -229.5     593.3
  
