 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -sm    -35.249 -166.954  0.1642
  
 covariance matrix (rad2/m.y.2 e-10
    1827.2      25.2      -6.9
      25.2    3283.0      56.5
      -6.9      56.5    2026.8
  
