 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -sc     -4.317 -176.697  3.2699
  
 covariance matrix (rad2/m.y.2 e-10
    3873.8    -337.7    -706.6
    -337.7    4548.2    1241.5
    -706.6    1241.5    7609.8
  
