 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ar  -EA    -23.180 -110.468 11.0871
  
 covariance matrix (rad2/m.y.2 e-10
    4572.9     530.7     -15.7
     530.7    6583.9    -399.9
     -15.7    -399.9    4724.7
  
