 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -am    -35.657 -105.346  0.1721
  
 covariance matrix (rad2/m.y.2 e-10
    1959.0    -321.3     -80.0
    -321.3    2998.9     309.0
     -80.0     309.0    2499.5
  
