 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -an      0.151   80.828  5.5797
  
 covariance matrix (rad2/m.y.2 e-10
    1733.0     428.4    -118.6
     428.4    3302.9    -474.4
    -118.6    -474.4    1951.2
  
