 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -BR     57.450  -80.875  0.7168
  
 covariance matrix (rad2/m.y.2 e-10
    3290.1    -111.4      -7.0
    -111.4    4139.1      57.8
      -7.0      57.8    3411.5
  
