 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 OK  -SL    -29.691  -36.983  0.1849
  
 covariance matrix (rad2/m.y.2 e-10
    3326.1     135.9     -27.0
     135.9    4212.4     160.7
     -27.0     160.7    3460.4
  
