 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sc  -ca    -45.450  104.535  0.1528
  
 covariance matrix (rad2/m.y.2 e-10
     296.7    -400.3    -644.8
    -400.3     837.1     945.6
    -644.8     945.6    3745.9
  
