 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -ri     -9.076   64.964  5.0060
  
 covariance matrix (rad2/m.y.2 e-10
   25310.3   77467.2  -28416.0
   77467.2  258698.1  -94118.6
  -28416.0  -94118.6   37004.3
  
