 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -co    -25.184   52.201  0.8873
  
 covariance matrix (rad2/m.y.2 e-10
    2622.6     592.3    -654.9
     592.3    4082.0    -687.9
    -654.9    -687.9    2458.2
  
