 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 an  -nz    -35.681   83.510  0.4715
  
 covariance matrix (rad2/m.y.2 e-10
       9.3      28.1     -20.8
      28.1     397.5     -64.5
     -20.8     -64.5     322.3
  
