 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ps  -nb    -60.659  -17.343  0.9988
  
 covariance matrix (rad2/m.y.2 e-10
    1017.1    -942.0    -640.1
    -942.0    1690.5     691.2
    -640.1     691.2     625.3
  
