 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ps  -am    -54.793  -19.436  1.1260
  
 covariance matrix (rad2/m.y.2 e-10
    1118.4   -1201.1    -649.9
   -1201.1    1516.2     893.7
    -649.9     893.7    1030.7
  
