 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -ar    -55.255   89.239  1.2300
  
 covariance matrix (rad2/m.y.2 e-10
   10416.3   13794.8  -15550.4
   13794.8   19026.2  -20482.4
  -15550.4  -20482.4   25761.3
  
