 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -GP     -3.498 -125.783  7.0819
  
 covariance matrix (rad2/m.y.2 e-10
    5183.5     214.1     -32.7
     214.1    6424.0    -540.9
     -32.7    -540.9    5482.3
  
