From Pt      Bearing      Distance  To Point   Delta North    Delta East    

   167       S 05°50'18"W   492.14000   168      -489.58724     -50.06110

  Note: Closing course using total station

  From Pt      Bearing      Distance  To Point   Delta North    Delta East

   169       S 05°49'59"W   492.03299   170      -489.48540     -50.00510

  Note: Closing course using GPS

  From Pt      Bearing      Distance  To Point   Delta North    Delta East

   168       S 39°55'56"E   0.55294     170      -0.42399       0.35492
  
  Note: Linear error