 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 mq  -nz     19.432   36.693  1.0925
  
 covariance matrix (rad2/m.y.2 e-10
   15110.7   -6315.0   27453.3
   -6315.0    4317.1  -13174.4
   27453.3  -13174.4   52582.8
  
