 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 co  -nz      3.514 -141.195  0.6551
  
 covariance matrix (rad2/m.y.2 e-10
     415.5    -197.8    -136.8
    -197.8    1173.8     -39.0
    -136.8     -39.0     137.9
  
