 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -ri    -23.413   70.832  5.4340
  
 covariance matrix (rad2/m.y.2 e-10
   33391.3   90215.9  -44453.9
   90215.9  273859.6 -115247.6
  -44453.9 -115247.6   60456.3
  
