 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -GP      6.138  -90.149  5.0301
  
 covariance matrix (rad2/m.y.2 e-10
    3377.0     370.4    -146.0
     370.4    4954.0    -407.6
    -146.0    -407.6    3643.2
  
