 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -jf      6.019 -165.259  3.8114
  
 covariance matrix (rad2/m.y.2 e-10
   13672.2   12988.9  -15547.9
   12988.9   20951.9  -20843.7
  -15547.9  -20843.7   29211.0
  
