 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ps  -co    -43.349   25.863  1.7442
  
 covariance matrix (rad2/m.y.2 e-10
    1782.0    -287.4   -1224.8
    -287.4    2599.4    -103.2
   -1224.8    -103.2     989.4
  
