 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NB  -ca    -44.010  116.717  1.1095
  
 covariance matrix (rad2/m.y.2 e-10
    1750.2    -111.4      -7.0
    -111.4    2599.2      57.8
      -7.0      57.8    1871.6
  
