 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sr  -am    -81.374   35.572  0.3266
  
 covariance matrix (rad2/m.y.2 e-10
    1909.3    -123.0   -2246.9
    -123.0     552.1     691.5
   -2246.9     691.5    3901.4
  
