 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sr  -ri    -21.338   72.801  4.4720
  
 covariance matrix (rad2/m.y.2 e-10
   25363.0   77602.9  -30437.1
   77602.9  257446.1  -93386.4
  -30437.1  -93386.4   38746.8
  
