 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -MN      3.015  -28.902 51.5430
  
 covariance matrix (rad2/m.y.2 e-10
   13060.6   13064.1  -15642.5
   13064.1   20323.2  -20786.6
  -15642.5  -20786.6   28495.1
  
