 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 lw  -eu     28.236  -13.419  0.1205
  
 covariance matrix (rad2/m.y.2 e-10
     427.8     234.4    -414.6
     234.4     237.1    -357.0
    -414.6    -357.0     657.3
  
