 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 MA  -nb      1.352  134.424  1.4612
  
 covariance matrix (rad2/m.y.2 e-10
    2557.0    -942.0    -640.1
    -942.0    3230.4     691.2
    -640.1     691.2    2165.2
  
