 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -nb    -42.398   70.086  1.1948
  
 covariance matrix (rad2/m.y.2 e-10
   10283.2   13526.9  -15674.3
   13526.9   18462.3  -20527.7
  -15674.3  -20527.7   25818.9
  
