 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 na  -sc    -35.397  -46.516  0.1273
  
 covariance matrix (rad2/m.y.2 e-10
     250.9    -291.8    -673.4
    -291.8     481.2    1039.4
    -673.4    1039.4    3689.4
  
