 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 co  -yz     14.961 -125.570  0.9504
  
 covariance matrix (rad2/m.y.2 e-10
    1477.2     558.6    -617.3
     558.6    1474.9    -337.7
    -617.3    -337.7     531.1
  
