 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -ri    -22.446  118.435  4.6087
  
 covariance matrix (rad2/m.y.2 e-10
   27116.7   77310.9  -28302.7
   77310.9  260168.2  -94251.9
  -28302.7  -94251.9   38843.4
  
