 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -nz     12.250   43.985  1.3079
  
 covariance matrix (rad2/m.y.2 e-10
    1837.1     370.4    -146.0
     370.4    3414.1    -407.6
    -146.0    -407.6    2103.3
  
