 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 FT  -ar    -19.429  177.611  5.5776
  
 covariance matrix (rad2/m.y.2 e-10
    1917.2     166.0     206.1
     166.0    2722.1      26.9
     206.1      26.9    1979.0
  
