 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 nb  -JZ    -33.578 -108.862 22.3710
  
 covariance matrix (rad2/m.y.2 e-10
    5411.1     338.6    -190.5
     338.6    7100.9    -435.1
    -190.5    -435.1    5720.5
  
