 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -ps      6.913  179.835  3.8603
  
 covariance matrix (rad2/m.y.2 e-10
    4441.9   -1066.5    -482.3
   -1066.5    4666.0     585.4
    -482.3     585.4    4039.5
  
