 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -in     -1.854   84.806  5.4618
  
 covariance matrix (rad2/m.y.2 e-10
    1755.2     404.6     -97.8
     404.6    3914.2    -456.1
     -97.8    -456.1    2018.8
  
