 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sc  -SL    -55.772  -16.388  0.1827
  
 covariance matrix (rad2/m.y.2 e-10
    1963.2    -123.5    -792.5
    -123.5    2967.0    1308.0
    -792.5    1308.0    5618.7
  
