 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 WL  -na      0.620  125.507  1.9288
  
 covariance matrix (rad2/m.y.2 e-10
    1827.8     -78.3      58.9
     -78.3    2384.9      94.1
      58.9      94.1    2042.7
  
