 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 na  -ps     50.750  166.266  0.8227
  
 covariance matrix (rad2/m.y.2 e-10
    1074.1    -994.2    -612.6
    -994.2    1820.9     793.6
    -612.6     793.6     677.9
  
