 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -FT     21.145    2.506  6.1381
  
 covariance matrix (rad2/m.y.2 e-10
    3389.1       5.7      75.9
       5.7    3759.9      19.2
      75.9      19.2    3565.3
  
