 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -an    -37.817  -31.821  1.4792
  
 covariance matrix (rad2/m.y.2 e-10
  130824.9  -65665.9 -228197.8
  -65665.9   35704.8  116377.0
 -228197.8  116377.0  402833.7
  
