 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -na    -31.960   68.301  1.0807
  
 covariance matrix (rad2/m.y.2 e-10
   10304.4   13504.6  -15573.8
   13504.6   18641.8  -20356.2
  -15573.8  -20356.2   25951.1
  
