 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 yz  -EA    -23.291 -112.533 11.3504
  
 covariance matrix (rad2/m.y.2 e-10
    4483.1     134.5     -81.6
     134.5    5849.1    -439.1
     -81.6    -439.1    4808.8
  
