 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sc  -sa     69.226  -87.785  0.1048
  
 covariance matrix (rad2/m.y.2 e-10
     176.1    -256.8    -700.8
    -256.8     463.0    1057.2
    -700.8    1057.2    3668.1
  
