 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 JZ  -ar     33.443   71.866 22.0791
  
 covariance matrix (rad2/m.y.2 e-10
    5557.5     530.7     -15.7
     530.7    7568.5    -399.9
     -15.7    -399.9    5709.3
  
