Index: trunk/BNC/src/PPP/pppInclude.h
===================================================================
--- trunk/BNC/src/PPP/pppInclude.h	(revision 5838)
+++ trunk/BNC/src/PPP/pppInclude.h	(revision 5839)
@@ -4,4 +4,5 @@
 #include <string>
 #include <vector>
+#include <newmat.h>
 
 #include "bncconst.h"
@@ -73,4 +74,12 @@
 class t_orbCorr {
  public:
+  ColumnVector getX(const bncTime& tt) const {
+    ColumnVector xx(3);
+    double dt = tt - _time;
+    xx[0] = _xr[0] + _dotXr[0] * dt;
+    xx[1] = _xr[1] + _dotXr[1] * dt;
+    xx[2] = _xr[2] + _dotXr[2] * dt;
+    return xx;
+  }
   t_prn          prn() const {return _prn;}
   unsigned short IOD() const {return _iod;}
@@ -80,9 +89,13 @@
   char           _system;
   double         _xr[3];
-  double         _dotXr[3];
+  double         _dotXr[3]; 
 };
 
 class t_clkCorr {
  public:
+  double getClk(const bncTime& tt) const {
+    double dt = tt - _time;
+    return _dClk + dt * _dotDClk + dt * dt * _dotDotDClk;    
+  }
   t_prn          prn() const {return _prn;}
   unsigned short IOD() const {return _iod;}