 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 JZ  -ca     33.581   70.948 22.4617
  
 covariance matrix (rad2/m.y.2 e-10
    5513.9     178.0    -134.2
     178.0    7586.2    -426.1
    -134.2    -426.1    5829.7
  
