 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -lw     27.869 -128.024  0.0749
  
 covariance matrix (rad2/m.y.2 e-10
     320.8     293.5    -387.0
     293.5     312.3    -356.2
    -387.0    -356.2     542.6
  
