 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -na     -2.965 -178.062  3.3330
  
 covariance matrix (rad2/m.y.2 e-10
    3696.8     -78.3      58.9
     -78.3    4253.8      94.1
      58.9      94.1    3911.7
  
