 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 co  -ca     23.283 -132.357  0.9552
  
 covariance matrix (rad2/m.y.2 e-10
    1018.9    -132.6    -848.0
    -132.6    1351.6    -226.6
    -848.0    -226.6    1162.4
  
