Index: trunk/BNC/src/PPP/pppClient.cpp
===================================================================
--- trunk/BNC/src/PPP/pppClient.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppClient.cpp	(revision 7237)
@@ -0,0 +1,548 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppClient
+ *
+ * Purpose:    PPP Client processing starts here
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:    
+ *
+ * -----------------------------------------------------------------------*/
+
+#include <QThreadStorage>
+
+#include <iostream>
+#include <iomanip>
+#include <stdlib.h>
+#include <string.h>
+#include <stdexcept>
+
+#include "pppClient.h"
+#include "pppEphPool.h"
+#include "pppObsPool.h"
+#include "bncconst.h"
+#include "bncutils.h"
+#include "pppStation.h"
+#include "bncantex.h"
+#include "pppFilter.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+// Global variable holding thread-specific pointers
+//////////////////////////////////////////////////////////////////////////////
+QThreadStorage<t_pppClient*> CLIENTS;
+
+// Static function returning thread-specific pointer
+//////////////////////////////////////////////////////////////////////////////
+t_pppClient* t_pppClient::instance() {
+  return CLIENTS.localData();
+}
+
+// Constructor
+//////////////////////////////////////////////////////////////////////////////
+t_pppClient::t_pppClient(const t_pppOptions* opt) {
+  _output   = 0;
+  _opt      = new t_pppOptions(*opt);
+  _log      = new ostringstream();
+  _ephPool  = new t_pppEphPool();
+  _obsPool  = new t_pppObsPool();
+  _staRover = new t_pppStation();
+  _filter   = new t_pppFilter();
+  _tides    = new t_tides();
+  _iono     = new t_iono();
+
+  if (!_opt->_antexFileName.empty()) {
+    _antex = new bncAntex(_opt->_antexFileName.c_str());
+  }
+  else {
+    _antex = 0;
+  }
+
+  CLIENTS.setLocalData(this);  // CLIENTS takes ownership over "this"
+}
+
+// Destructor
+//////////////////////////////////////////////////////////////////////////////
+t_pppClient::~t_pppClient() {
+  delete _log;
+  delete _opt;
+  delete _ephPool;
+  delete _obsPool;
+  delete _staRover;
+  delete _antex;
+  delete _filter;
+  delete _tides;
+  clearObs();
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::putEphemeris(const t_eph* eph) {
+  const t_ephGPS* ephGPS = dynamic_cast<const t_ephGPS*>(eph);
+  const t_ephGlo* ephGlo = dynamic_cast<const t_ephGlo*>(eph);
+  const t_ephGal* ephGal = dynamic_cast<const t_ephGal*>(eph);
+  if      (ephGPS) {
+    _ephPool->putEphemeris(new t_ephGPS(*ephGPS));
+  }
+  else if (ephGlo) {
+    _ephPool->putEphemeris(new t_ephGlo(*ephGlo));
+  }
+  else if (ephGal) {
+    _ephPool->putEphemeris(new t_ephGal(*ephGal));
+  }
+}
+
+//
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::putTec(const t_vTec* vTec) {
+  _iono->setTecData(new t_vTec(*vTec));
+  //_staRover->putTec(new t_vTec(*vTec));
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::putOrbCorrections(const vector<t_orbCorr*>& corr) {
+  for (unsigned ii = 0; ii < corr.size(); ii++) {
+    _ephPool->putOrbCorrection(new t_orbCorr(*corr[ii]));
+  }
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::putClkCorrections(const vector<t_clkCorr*>& corr) {
+  for (unsigned ii = 0; ii < corr.size(); ii++) {
+    _ephPool->putClkCorrection(new t_clkCorr(*corr[ii]));
+  }
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::putCodeBiases(const vector<t_satCodeBias*>& biases) {
+  for (unsigned ii = 0; ii < biases.size(); ii++) {
+    _obsPool->putCodeBias(new t_satCodeBias(*biases[ii]));
+  }
+}
+
+//
+//////////////////////////////////////////////////////////////////////////////
+t_irc t_pppClient::prepareObs(const vector<t_satObs*>& satObs,
+                              vector<t_pppSatObs*>& obsVector, bncTime& epoTime) {
+  // Default 
+  // -------
+  epoTime.reset();
+
+  // Create vector of valid observations
+  // -----------------------------------
+  for (unsigned ii = 0; ii < satObs.size(); ii++) {
+    char system = satObs[ii]->_prn.system();
+    if (OPT->useSystem(system)) {
+      t_pppSatObs* pppSatObs = new t_pppSatObs(*satObs[ii]);
+      if (pppSatObs->isValid()) {
+        obsVector.push_back(pppSatObs);
+      }
+      else {
+        delete pppSatObs;
+      }
+    }
+  }
+
+  // Check whether data are synchronized, compute epoTime
+  // ----------------------------------------------------
+  const double MAXSYNC = 0.05; // synchronization limit
+  double meanDt = 0.0;
+  for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+    const t_pppSatObs* satObs = obsVector.at(ii);
+    if (epoTime.undef()) {
+      epoTime = satObs->time();
+    }
+    else {
+      double dt = satObs->time() - epoTime;
+      if (fabs(dt) > MAXSYNC) {
+        LOG << "t_pppClient::prepareObs asynchronous observations" << endl;
+        return failure;
+      }
+      meanDt += dt;
+    }
+  }
+
+  if (obsVector.size() > 0) {
+    epoTime += meanDt / obsVector.size();
+  }
+
+  return success;
+}
+
+// Compute the Bancroft position, check for blunders
+//////////////////////////////////////////////////////////////////////////////
+t_irc t_pppClient::cmpBancroft(const bncTime& epoTime, 
+                                  vector<t_pppSatObs*>& obsVector,
+                                  ColumnVector& xyzc, bool print) {
+
+  t_lc::type tLC = t_lc::dummy;
+
+  while (true) {
+    Matrix BB(obsVector.size(), 4);
+    int iObs = -1;
+    for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+      const t_pppSatObs* satObs = obsVector.at(ii);
+      if (satObs->prn().system() == 'G') {
+        if (tLC == t_lc::dummy) {
+          tLC = satObs->isValid(t_lc::cIF) ? t_lc::cIF : t_lc::c1;
+        }
+        if ( satObs->isValid(tLC) && (!satObs->modelSet() || satObs->eleSat() >= OPT->_minEle) ) {
+          ++iObs;   
+          BB[iObs][0] = satObs->xc()[0];
+          BB[iObs][1] = satObs->xc()[1];
+          BB[iObs][2] = satObs->xc()[2];
+          BB[iObs][3] = satObs->obsValue(tLC) - satObs->cmpValueForBanc(tLC);
+        }
+      }
+    }
+    if (iObs + 1 < OPT->_minObs) {
+      LOG << "t_pppClient::cmpBancroft not enough observations" << endl;
+      return failure;
+    }
+    BB = BB.Rows(1,iObs+1);
+    bancroft(BB, xyzc);
+
+    xyzc[3] /= t_CST::c;
+
+    // Check Blunders
+    // --------------
+    const double BLUNDER = 100.0;
+    double   maxRes      = 0.0;
+    unsigned maxResIndex = 0;
+    for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+      const t_pppSatObs* satObs = obsVector.at(ii);
+      if ( satObs->isValid() && satObs->prn().system() == 'G' &&
+           (!satObs->modelSet() || satObs->eleSat() >= OPT->_minEle) ) {
+        ColumnVector rr = satObs->xc().Rows(1,3) - xyzc.Rows(1,3);
+        double res = rr.norm_Frobenius() - satObs->obsValue(tLC) 
+          - (satObs->xc()[3] - xyzc[3]) * t_CST::c;
+        if (fabs(res) > maxRes) {
+          maxRes      = fabs(res);
+          maxResIndex = ii;
+        }
+      }
+    }
+    if (maxRes < BLUNDER) {
+      if (print) {
+        LOG.setf(ios::fixed);
+        LOG << string(epoTime) << " BANCROFT:"        << ' '
+            << setw(14) << setprecision(3) << xyzc[0] << ' '
+            << setw(14) << setprecision(3) << xyzc[1] << ' '
+            << setw(14) << setprecision(3) << xyzc[2] << ' '
+            << setw(14) << setprecision(3) << xyzc[3] * t_CST::c << endl << endl;
+      }
+      break;
+    }
+    else {
+      t_pppSatObs* satObs = obsVector.at(maxResIndex);
+      LOG << "t_pppClient::cmpBancroft outlier " << satObs->prn().toString()
+          << " " << maxRes << endl;
+      delete satObs;
+      obsVector.erase(obsVector.begin() + maxResIndex);
+    }
+  }
+
+  return success;
+}
+
+// Compute A Priori GPS-Glonass Offset
+//////////////////////////////////////////////////////////////////////////////
+double t_pppClient::cmpOffGG(vector<t_pppSatObs*>& obsVector) {
+
+  t_lc::type tLC   = t_lc::dummy;
+  double     offGG = 0.0;
+
+  if (OPT->useSystem('R')) {
+
+    while (obsVector.size() > 0) {
+      offGG = 0.0;
+      double   maxRes      = 0.0;
+      int      maxResIndex = -1;
+      t_prn    maxResPrn;
+      unsigned nObs        = 0;
+      for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+        t_pppSatObs* satObs = obsVector.at(ii);
+        if (satObs->prn().system() == 'R') {
+          if (tLC == t_lc::dummy) {
+            tLC = satObs->isValid(t_lc::cIF) ? t_lc::cIF : t_lc::c1;
+          }
+          if (satObs->isValid(tLC) && (!satObs->modelSet() || satObs->eleSat() >= OPT->_minEle)) {
+            double ll = satObs->obsValue(tLC) - satObs->cmpValue(tLC);
+            ++nObs;
+            offGG += ll;
+            if (fabs(ll) > fabs(maxRes)) {
+              maxRes      = ll;
+              maxResIndex = ii;
+              maxResPrn   = satObs->prn();
+            }
+          }
+        }
+      }
+
+      if (nObs > 0) {
+        offGG = offGG / nObs;
+      }
+      else {
+        offGG = 0.0;
+      }
+
+      if (fabs(maxRes) > 1000.0) {
+        LOG << "t_pppClient::cmpOffGG outlier " << maxResPrn.toString() << " " << maxRes << endl;
+        obsVector.erase(obsVector.begin() + maxResIndex);
+      }
+      else {
+        break;
+      }
+    }
+  }
+
+  return offGG;
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::initOutput(t_output* output) {
+  _output = output;
+  _output->_numSat = 0;
+  _output->_pDop   = 0.0;
+  _output->_error  = false;
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::clearObs() {
+  for (unsigned ii = 0; ii < _obsRover.size(); ii++) {
+    delete _obsRover.at(ii);
+  }
+  _obsRover.clear();
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::finish(t_irc irc) {
+
+  clearObs();
+
+  _output->_epoTime = _epoTimeRover;
+
+  if (irc == success) {
+    _output->_xyzRover[0] = _staRover->xyzApr()[0] + _filter->x()[0];
+    _output->_xyzRover[1] = _staRover->xyzApr()[1] + _filter->x()[1];
+    _output->_xyzRover[2] = _staRover->xyzApr()[2] + _filter->x()[2];
+
+    xyz2neu(_staRover->ellApr().data(), _filter->x().data(), _output->_neu);
+
+    copy(&_filter->Q().data()[0], &_filter->Q().data()[6], _output->_covMatrix);
+
+    _output->_trp0     = t_tropo::delay_saast(_staRover->xyzApr(), M_PI/2.0);
+    _output->_trp      = _filter->trp();
+    _output->_trpStdev = _filter->trpStdev();
+
+    _output->_numSat     = _filter->numSat();
+    _output->_pDop       = _filter->PDOP();
+    _output->_error = false;
+  }
+  else {
+    _output->_error = true;
+  }
+  _output->_log = _log->str();
+  delete _log; _log = new ostringstream();
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+t_irc t_pppClient::cmpModel(t_pppStation* station, const ColumnVector& xyzc,
+                               vector<t_pppSatObs*>& obsVector) {
+
+  bncTime time;
+  time = _epoTimeRover;
+  station->setName(OPT->_roverName);
+  station->setAntName(OPT->_antNameRover);
+  if (OPT->xyzAprRoverSet()) {
+    station->setXyzApr(OPT->_xyzAprRover);
+  }
+  else {
+    station->setXyzApr(xyzc.Rows(1,3));
+  }
+  station->setNeuEcc(OPT->_neuEccRover);
+
+  // Receiver Clock
+  // --------------
+  station->setDClk(xyzc[3]);
+
+  // Tides
+  // -----
+  station->setTideDspl( _tides->displacement(time, station->xyzApr()) );
+  
+
+  // Ionosphere
+  // ----------
+  station->setVtec(_iono->vtec());
+
+  // Observation model
+  // -----------------
+  vector<t_pppSatObs*>::iterator it = obsVector.begin();
+  while (it != obsVector.end()) {
+    t_pppSatObs* satObs = *it;
+    if (satObs->isValid()) {
+      satObs->cmpModel(station);
+    }
+    if (satObs->isValid() && satObs->eleSat() >= OPT->_minEle) {
+      ++it;
+    }
+    else {
+      delete satObs;
+      it = obsVector.erase(it);
+    }
+  }
+
+  return success;
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppClient::processEpoch(const vector<t_satObs*>& satObs, t_output* output) {
+
+  try {
+    initOutput(output);
+
+    // Prepare Observations of the Rover
+    // ---------------------------------    
+    if (prepareObs(satObs, _obsRover, _epoTimeRover) != success) {
+      return finish(failure);
+    }
+
+    LOG << "\nResults of Epoch ";
+    if (!_epoTimeRover.undef()) LOG << string(_epoTimeRover);
+    LOG << "\n--------------------------------------\n";
+ 
+    for (int iter = 1; iter <= 2; iter++) {
+      ColumnVector xyzc(4); xyzc = 0.0;
+      bool print = (iter == 2);
+      if (cmpBancroft(_epoTimeRover, _obsRover, xyzc, print) != success) {
+        return finish(failure);
+      }
+      if (cmpModel(_staRover, xyzc, _obsRover) != success) {
+        return finish(failure);
+      }
+    }
+
+    _offGG = cmpOffGG(_obsRover);
+
+    // Store last epoch of data
+    // ------------------------    
+    _obsPool->putEpoch(_epoTimeRover, _obsRover);
+
+    // Process Epoch in Filter
+    // -----------------------
+    if (_filter->processEpoch(_obsPool) != success) {
+      return finish(failure);
+    }
+  }
+  catch (Exception& exc) {
+    LOG << exc.what() << endl;
+    return finish(failure);
+  }
+  catch (t_except msg) {
+    LOG << msg.what() << endl;
+    return finish(failure);
+  }
+  catch (const char* msg) {
+    LOG << msg << endl;
+    return finish(failure);
+  }
+  catch (...) {
+    LOG << "unknown exception" << endl;
+    return finish(failure);
+  }
+
+  return finish(success);
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double lorentz(const ColumnVector& aa, const ColumnVector& bb) {
+  return aa[0]*bb[0] +  aa[1]*bb[1] +  aa[2]*bb[2] -  aa[3]*bb[3];
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+void t_pppClient::bancroft(const Matrix& BBpass, ColumnVector& pos) {
+
+  if (pos.Nrows() != 4) {
+    pos.ReSize(4);
+  }
+  pos = 0.0;
+
+  for (int iter = 1; iter <= 2; iter++) {
+    Matrix BB = BBpass;
+    int mm = BB.Nrows();
+    for (int ii = 1; ii <= mm; ii++) {
+      double xx = BB(ii,1);
+      double yy = BB(ii,2);
+      double traveltime = 0.072;
+      if (iter > 1) {
+        double zz  = BB(ii,3);
+        double rho = sqrt( (xx-pos(1)) * (xx-pos(1)) + 
+                           (yy-pos(2)) * (yy-pos(2)) + 
+                           (zz-pos(3)) * (zz-pos(3)) );
+        traveltime = rho / t_CST::c;
+      }
+      double angle = traveltime * t_CST::omega;
+      double cosa  = cos(angle);
+      double sina  = sin(angle);
+      BB(ii,1) =  cosa * xx + sina * yy;
+      BB(ii,2) = -sina * xx + cosa * yy;
+    }
+    
+    Matrix BBB;
+    if (mm > 4) {
+      SymmetricMatrix hlp; hlp << BB.t() * BB;
+      BBB = hlp.i() * BB.t();
+    }
+    else {
+      BBB = BB.i();
+    }
+    ColumnVector ee(mm); ee = 1.0;
+    ColumnVector alpha(mm); alpha = 0.0;
+    for (int ii = 1; ii <= mm; ii++) {
+      alpha(ii) = lorentz(BB.Row(ii).t(),BB.Row(ii).t())/2.0; 
+    }
+    ColumnVector BBBe     = BBB * ee;
+    ColumnVector BBBalpha = BBB * alpha;
+    double aa = lorentz(BBBe, BBBe);
+    double bb = lorentz(BBBe, BBBalpha)-1;
+    double cc = lorentz(BBBalpha, BBBalpha);
+    double root = sqrt(bb*bb-aa*cc);
+
+    Matrix hlpPos(4,2); 
+    hlpPos.Column(1) = (-bb-root)/aa * BBBe + BBBalpha;
+    hlpPos.Column(2) = (-bb+root)/aa * BBBe + BBBalpha;
+
+    ColumnVector omc(2);
+    for (int pp = 1; pp <= 2; pp++) {
+      hlpPos(4,pp)      = -hlpPos(4,pp);
+      omc(pp) = BB(1,4) - 
+                sqrt( (BB(1,1)-hlpPos(1,pp)) * (BB(1,1)-hlpPos(1,pp)) +
+                      (BB(1,2)-hlpPos(2,pp)) * (BB(1,2)-hlpPos(2,pp)) +
+                      (BB(1,3)-hlpPos(3,pp)) * (BB(1,3)-hlpPos(3,pp)) ) - 
+                hlpPos(4,pp);
+    }
+    if ( fabs(omc(1)) > fabs(omc(2)) ) {
+      pos = hlpPos.Column(2);
+    }
+    else {
+      pos = hlpPos.Column(1);
+    }
+  }
+}
+
Index: trunk/BNC/src/PPP/pppClient.h
===================================================================
--- trunk/BNC/src/PPP/pppClient.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppClient.h	(revision 7237)
@@ -0,0 +1,79 @@
+#ifndef PPPCLIENT_H
+#define PPPCLIENT_H
+
+#include <sstream>
+#include <vector>
+#include "pppInclude.h"
+#include "ephemeris.h"
+#include "pppOptions.h"
+#include "pppModel.h"
+
+class bncAntex;
+
+namespace BNC_PPP {
+
+class t_pppEphPool;
+class t_pppObsPool;
+class t_pppSatObs;
+class t_pppStation;
+class t_pppFilter;
+
+class t_pppClient : public interface_pppClient {
+ public:
+  t_pppClient(const t_pppOptions* opt);                                                      
+  ~t_pppClient();                                                     
+
+  void putEphemeris(const t_eph* eph);                  
+  void putTec(const t_vTec* vTec);
+  void putOrbCorrections(const std::vector<t_orbCorr*>& corr); 
+  void putClkCorrections(const std::vector<t_clkCorr*>& corr); 
+  void putCodeBiases(const std::vector<t_satCodeBias*>& satBias);   
+  void processEpoch(const std::vector<t_satObs*>& satObs, t_output* output);
+
+  const t_pppEphPool* ephPool() const {return _ephPool;}
+  const t_pppObsPool* obsPool() const {return _obsPool;}
+  const bncAntex*  antex() const {return _antex;}
+  const t_pppStation* staRover() const {return _staRover;}
+  double           offGG() const {return _offGG;}
+
+  std::ostringstream& log() {return *_log;}
+  const t_pppOptions*    opt() const {return _opt;}
+
+  static void bancroft(const Matrix& BBpass, ColumnVector& pos);
+
+  static t_pppClient* instance();
+
+ private:
+  void initOutput(t_output* output);
+  void finish(t_irc irc);
+  void clearObs();
+  t_irc prepareObs(const std::vector<t_satObs*>& satObs,
+                   std::vector<t_pppSatObs*>& obsVector, bncTime& epoTime);
+  t_irc cmpModel(t_pppStation* station, const ColumnVector& xyzc,
+                 std::vector<t_pppSatObs*>& obsVector);
+  t_irc cmpBancroft(const bncTime& epoTime, std::vector<t_pppSatObs*>& obsVector, 
+                    ColumnVector& xyzc, bool print);
+  double cmpOffGG(std::vector<t_pppSatObs*>& obsVector);
+
+  t_output*                 _output;
+  t_pppEphPool*             _ephPool;
+  t_pppObsPool*             _obsPool;
+  bncTime                   _epoTimeRover;
+  t_pppStation*             _staRover;
+  bncAntex*                 _antex;
+  t_pppFilter*              _filter;
+  double                    _offGG;
+  std::vector<t_pppSatObs*> _obsRover;
+  std::ostringstream*       _log; 
+  t_pppOptions*             _opt; 
+  t_tides*                  _tides;
+  t_iono*                   _iono;
+};
+
+}; // namespace BNC_PPP
+
+#define PPP_CLIENT (BNC_PPP::t_pppClient::instance())
+#define LOG        (BNC_PPP::t_pppClient::instance()->log())
+#define OPT        (BNC_PPP::t_pppClient::instance()->opt())
+
+#endif
Index: trunk/BNC/src/PPP/pppEphPool.cpp
===================================================================
--- trunk/BNC/src/PPP/pppEphPool.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppEphPool.cpp	(revision 7237)
@@ -0,0 +1,132 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppEphPool
+ *
+ * Purpose:    Buffer with satellite ephemerides
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:    
+ *
+ * -----------------------------------------------------------------------*/
+
+#include <iostream>
+#include "pppEphPool.h"
+#include "pppInclude.h"
+#include "pppClient.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppEphPool::putEphemeris(t_eph* eph) {
+  if (eph && eph->checkState() != t_eph::bad) {
+    _satEphPool[eph->prn().toInt()].putEphemeris(_maxQueueSize, eph);
+  }
+  else {
+    delete eph;
+  }
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppEphPool::putOrbCorrection(t_orbCorr* corr) {
+  if (corr) {
+    _satEphPool[corr->_prn.toInt()].putOrbCorrection(corr);
+  }
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppEphPool::putClkCorrection(t_clkCorr* corr) {
+  if (corr) {
+    _satEphPool[corr->_prn.toInt()].putClkCorrection(corr);
+  }
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+t_irc t_pppEphPool::getCrd(const t_prn& prn, const bncTime& tt, 
+                             ColumnVector& xc, ColumnVector& vv) const {
+  return _satEphPool[prn.toInt()].getCrd(tt, xc, vv);
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+int t_pppEphPool::getChannel(const t_prn& prn) const {
+  return _satEphPool[prn.toInt()].getChannel();
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppEphPool::t_satEphPool::putEphemeris(unsigned maxQueueSize, t_eph* eph) {
+  if (_ephs.empty() || eph->isNewerThan(_ephs.front())) {
+    _ephs.push_front(eph);
+    if (maxQueueSize > 0 && _ephs.size() > maxQueueSize) {
+      delete _ephs.back();
+      _ephs.pop_back();
+    }
+  }
+  else {
+    delete eph;
+  }
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppEphPool::t_satEphPool::putOrbCorrection(t_orbCorr* corr) {
+  for (unsigned ii = 0; ii < _ephs.size(); ii++) {
+    t_eph* eph = _ephs[ii];
+    if (eph->IOD() == corr->_iod) {
+      eph->setOrbCorr(corr); 
+      return;
+    }
+  }
+  delete corr;
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppEphPool::t_satEphPool::putClkCorrection(t_clkCorr* corr) {
+  for (unsigned ii = 0; ii < _ephs.size(); ii++) {
+    t_eph* eph = _ephs[ii];
+    if (eph->IOD() == corr->_iod) {
+      eph->setClkCorr(corr); 
+    }
+  }
+  delete corr;
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+t_irc t_pppEphPool::t_satEphPool::getCrd(const bncTime& tt, ColumnVector& xc,
+                                           ColumnVector& vv) const {
+  for (unsigned ii = 0; ii < _ephs.size(); ii++) {
+    t_eph* eph = _ephs[ii];
+    t_irc irc = eph->getCrd(tt, xc, vv, OPT->useOrbClkCorr());
+    if (irc == success) {
+      if (eph->prn().system() == 'R') {
+        double age = tt - eph->TOC();
+        if (fabs(age) > 3600.0) {
+          continue;
+        }
+      }
+      return irc;
+    }
+  }
+  return failure;
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+int t_pppEphPool::t_satEphPool::getChannel() const {
+  if (_ephs.size() > 0) {
+    return _ephs[0]->slotNum();
+  }
+  return 0;
+}
Index: trunk/BNC/src/PPP/pppEphPool.h
===================================================================
--- trunk/BNC/src/PPP/pppEphPool.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppEphPool.h	(revision 7237)
@@ -0,0 +1,56 @@
+#ifndef EPHPOOL_H
+#define EPHPOOL_H
+
+#include <deque>
+#include "pppInclude.h"
+#include "bnctime.h"
+#include "ephemeris.h"
+
+namespace BNC_PPP {
+
+class t_pppEphPool {
+ public:
+  t_pppEphPool(unsigned maxQueueSize = 3) {
+    _maxQueueSize = maxQueueSize;
+  }
+  ~t_pppEphPool() {}; 
+
+  void putEphemeris(t_eph* eph);
+  void putOrbCorrection(t_orbCorr* corr);
+  void putClkCorrection(t_clkCorr* corr);
+
+  t_irc getCrd(const t_prn& prn, const bncTime& tt, 
+                    ColumnVector& xc, ColumnVector& vv) const;
+
+  int getChannel(const t_prn& prn) const;
+
+  std::deque<t_eph*>& ephs(t_prn prn) {
+    return _satEphPool[prn]._ephs;
+  }
+
+ private:
+
+  class t_satEphPool {
+   public:
+    t_satEphPool() {};
+    ~t_satEphPool() {
+      for (unsigned ii = 0; ii < _ephs.size(); ii++) {
+        delete _ephs[ii];
+      }
+    }
+    void putEphemeris(unsigned maxQueueSize, t_eph* eph);
+    void putOrbCorrection(t_orbCorr* corr);
+    void putClkCorrection(t_clkCorr* corr);
+    t_irc getCrd(const bncTime& tt, 
+                      ColumnVector& xc, ColumnVector& vv) const;
+    int getChannel() const;
+    std::deque<t_eph*> _ephs;
+  };
+
+  t_satEphPool _satEphPool[t_prn::MAXPRN+1];
+  unsigned     _maxQueueSize;
+};
+
+}
+
+#endif
Index: trunk/BNC/src/PPP/pppFilter.cpp
===================================================================
--- trunk/BNC/src/PPP/pppFilter.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppFilter.cpp	(revision 7237)
@@ -0,0 +1,449 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppFilter
+ *
+ * Purpose:    Filter Adjustment
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:    
+ *
+ * -----------------------------------------------------------------------*/
+
+#include <iostream>
+#include <iomanip>
+#include <cmath>
+#include <newmat.h>
+#include <newmatio.h>
+#include <newmatap.h>
+
+#include "pppFilter.h"
+#include "bncutils.h"
+#include "pppParlist.h"
+#include "pppObsPool.h"
+#include "pppStation.h"
+#include "pppClient.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+// Constructor
+////////////////////////////////////////////////////////////////////////////
+t_pppFilter::t_pppFilter() {
+  _parlist = 0;
+}
+
+// Destructor
+////////////////////////////////////////////////////////////////////////////
+t_pppFilter::~t_pppFilter() {
+  delete _parlist;
+}
+
+// Process Single Epoch
+////////////////////////////////////////////////////////////////////////////
+t_irc t_pppFilter::processEpoch(t_pppObsPool* obsPool) {
+
+  _numSat     = 0;
+
+  if (!_parlist) {
+    _parlist = new t_pppParlist();
+  }
+
+  // Vector of all Observations
+  // --------------------------
+  t_pppObsPool::t_epoch* epoch = obsPool->lastEpoch();
+  if (!epoch) {
+    return failure;
+  }
+  vector<t_pppSatObs*>& allObs = epoch->obsVector();
+
+  // Time of the Epoch
+  // -----------------
+  _epoTime = epoch->epoTime();
+
+  if (!_firstEpoTime.valid()) {
+    _firstEpoTime = _epoTime;
+  }
+
+  // Set Parameters
+  // --------------
+  _parlist->set(_epoTime, allObs);
+  const vector<t_pppParam*>& params = _parlist->params();
+
+  // Status Vector, Variance-Covariance Matrix
+  // -----------------------------------------
+  ColumnVector    xFltOld = _xFlt;
+  SymmetricMatrix QFltOld = _QFlt;
+
+  _QFlt.ReSize(_parlist->nPar()); _QFlt = 0.0;
+  _xFlt.ReSize(_parlist->nPar()); _xFlt = 0.0;
+  _x0.ReSize(_parlist->nPar());   _x0   = 0.0;
+  
+  for (unsigned ii = 0; ii < params.size(); ii++) {
+    const t_pppParam* par1 = params[ii];
+
+    _x0[ii] = par1->x0();
+
+    int iOld = par1->indexOld();
+    if (iOld < 0) {
+      _QFlt[ii][ii] = par1->sigma0() * par1->sigma0(); // new parameter
+    }
+    else {
+      _QFlt[ii][ii] = QFltOld[iOld][iOld] + par1->noise() * par1->noise();
+      _xFlt[ii]     = xFltOld[iOld];
+      for (unsigned jj = 0; jj < ii; jj++) {
+        const t_pppParam* par2 = params[jj];
+        int               jOld = par2->indexOld();
+        if (jOld >= 0) {
+          _QFlt[ii][jj] = QFltOld(iOld+1,jOld+1);
+        }
+      }
+    }
+  }
+
+  predictCovCrdPart(QFltOld);
+
+  // Process Satellite Systems separately
+  // ------------------------------------
+  for (unsigned iSys = 0; iSys < OPT->systems().size(); iSys++) {
+    char system = OPT->systems()[iSys];
+    vector<t_pppSatObs*> obsVector;
+    for (unsigned jj = 0; jj < allObs.size(); jj++) {
+      if (allObs[jj]->prn().system() == system) {
+        obsVector.push_back(allObs[jj]);
+      }
+    }
+    if ( processSystem(OPT->LCs(system), obsVector) != success ) {
+      return failure;
+    }
+  }
+   
+  cmpDOP(allObs);
+
+  _parlist->printResult(_epoTime, _QFlt, _xFlt);
+
+  return success;
+}
+
+// Process Selected LCs
+////////////////////////////////////////////////////////////////////////////
+t_irc t_pppFilter::processSystem(const vector<t_lc::type>& LCs, 
+                                 const vector<t_pppSatObs*>& obsVector) {
+
+  LOG.setf(ios::fixed);
+
+  // Detect Cycle Slips
+  // ------------------
+  if (detectCycleSlips(LCs, obsVector) != success) {
+    return failure;
+  }
+
+  ColumnVector            xSav       = _xFlt;
+  SymmetricMatrix         QSav       = _QFlt;
+  string                  epoTimeStr = string(_epoTime);
+  const vector<t_pppParam*>& params     = _parlist->params();
+  unsigned                maxObs     = obsVector.size() * LCs.size();
+    
+  // Outlier Detection Loop
+  // ----------------------
+  for (unsigned iOutlier = 0; iOutlier < maxObs; iOutlier++) {
+
+    if (iOutlier > 0) {
+      _xFlt = xSav;
+      _QFlt = QSav;
+    }
+
+    // First-Design Matrix, Terms Observed-Computed, Weight Matrix
+    // -----------------------------------------------------------
+    Matrix                AA(maxObs, _parlist->nPar());
+    ColumnVector          ll(maxObs);
+    DiagonalMatrix        PP(maxObs); PP = 0.0;
+    
+    int iObs = -1;
+    vector<t_pppSatObs*> usedObs;
+    vector<t_lc::type>   usedTypes;
+    for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+      t_pppSatObs* obs = obsVector[ii];
+      if (!obs->outlier()) {
+        for (unsigned jj = 0; jj < LCs.size(); jj++) {
+          const t_lc::type tLC = LCs[jj];
+          ++iObs;
+          usedObs.push_back(obs);
+          usedTypes.push_back(tLC);
+          for (unsigned iPar = 0; iPar < params.size(); iPar++) {
+            const t_pppParam* par = params[iPar];
+            AA[iObs][iPar] = par->partial(_epoTime, obs, tLC);
+          }
+          ll[iObs] = obs->obsValue(tLC) - obs->cmpValue(tLC) - DotProduct(_x0, AA.Row(iObs+1));
+          PP[iObs] = 1.0 / (obs->sigma(tLC) * obs->sigma(tLC));
+        }
+      }
+    }
+
+    // Check number of observations, truncate matrices
+    // -----------------------------------------------
+    if (iObs == -1) {
+      return failure;
+    }
+    AA = AA.Rows(1, iObs+1);
+    ll = ll.Rows(1, iObs+1);
+    PP = PP.SymSubMatrix(1, iObs+1);
+
+    // Kalman update step
+    // ------------------
+    kalman(AA, ll, PP, _QFlt, _xFlt);
+
+    // Check Residuals
+    // ---------------
+    ColumnVector vv = AA * _xFlt - ll;
+    double     maxOutlier      = 0.0;
+    int        maxOutlierIndex = -1;
+    t_lc::type maxOutlierLC    = t_lc::dummy;
+    for (unsigned ii = 0; ii < usedObs.size(); ii++) {
+      const t_lc::type tLC = usedTypes[ii];
+      double res = fabs(vv[ii]);
+      if (res > usedObs[ii]->maxRes(tLC)) {
+        if (res > fabs(maxOutlier)) {
+          maxOutlier      = vv[ii];
+          maxOutlierIndex = ii;
+          maxOutlierLC    = tLC;
+        }
+      }
+    }
+
+    // Mark outlier or break outlier detection loop
+    // --------------------------------------------
+    if (maxOutlierIndex > -1) {
+      t_pppSatObs* obs = usedObs[maxOutlierIndex];
+      t_pppParam* par = 0;
+      LOG << epoTimeStr << " Outlier " << t_lc::toString(maxOutlierLC) << ' ' 
+          << obs->prn().toString()                        << ' ' 
+          << setw(8) << setprecision(4) << maxOutlier << endl;
+      for (unsigned iPar = 0; iPar < params.size(); iPar++) {
+        t_pppParam* hlp = params[iPar];
+        if (hlp->type() == t_pppParam::amb && hlp->prn()  == obs->prn() && 
+            hlp->tLC()  == usedTypes[maxOutlierIndex]) {
+          par = hlp;
+        }
+      }
+      if (par) {
+        if (par->ambResetCandidate()) {
+          resetAmb(par->prn(), obsVector, &QSav, &xSav);
+        }
+        else {
+          par->setAmbResetCandidate();
+          obs->setOutlier();
+        }
+      }
+      else {
+        obs->setOutlier();
+      }
+    }
+
+    // Print Residuals
+    // ---------------
+    else {
+      for (unsigned jj = 0; jj < LCs.size(); jj++) {
+        for (unsigned ii = 0; ii < usedObs.size(); ii++) {
+          const t_lc::type tLC = usedTypes[ii];
+          t_pppSatObs*        obs = usedObs[ii];
+          if (tLC == LCs[jj]) {
+            obs->setRes(tLC, vv[ii]);
+            LOG << epoTimeStr << " RES " 
+                << left << setw(3) << t_lc::toString(tLC) << right << ' ' 
+                << obs->prn().toString().substr(0,3) << ' '
+                << setw(8) << setprecision(4) << vv[ii] << endl;
+          }
+        }
+      }
+      break;
+    }
+  }
+
+  return success;
+}
+
+// Cycle-Slip Detection
+////////////////////////////////////////////////////////////////////////////
+t_irc t_pppFilter::detectCycleSlips(const vector<t_lc::type>& LCs, 
+                                    const vector<t_pppSatObs*>& obsVector) {
+
+  const double            SLIP       = 20.0;  // slip threshold
+  string                  epoTimeStr = string(_epoTime);
+  const vector<t_pppParam*>& params     = _parlist->params();
+
+  for (unsigned ii = 0; ii < LCs.size(); ii++) {
+    const t_lc::type& tLC = LCs[ii];
+    if (t_lc::includesPhase(tLC)) {
+      for (unsigned iObs = 0; iObs < obsVector.size(); iObs++) {
+        const t_pppSatObs* obs = obsVector[iObs];
+
+        // Check set Slips and Jump Counters 
+        // ---------------------------------
+        bool slip = false;
+
+        if (obs->slip()) {
+          LOG << "cycle slip set (obs)" << endl;;
+          slip = true;
+        }
+
+        if (_slips[obs->prn()]._obsSlipCounter != -1 &&
+            _slips[obs->prn()]._obsSlipCounter != obs->slipCounter()) {
+          LOG << "cycle slip set (obsSlipCounter)" << endl;
+          slip = true;
+        }
+        _slips[obs->prn()]._obsSlipCounter = obs->slipCounter();
+
+        if (_slips[obs->prn()]._biasJumpCounter != -1 &&
+            _slips[obs->prn()]._biasJumpCounter != obs->biasJumpCounter()) {
+          LOG << "cycle slip set (biasJumpCounter)" << endl;
+          slip = true;
+        }
+        _slips[obs->prn()]._biasJumpCounter = obs->biasJumpCounter();
+
+        // Slip Set
+        // --------  
+        if (slip) {
+          resetAmb(obs->prn(), obsVector);
+        }
+  
+        // Check Pre-Fit Residuals
+        // -----------------------
+        else {
+          ColumnVector AA(params.size());
+          for (unsigned iPar = 0; iPar < params.size(); iPar++) {
+            const t_pppParam* par = params[iPar];
+            AA[iPar] = par->partial(_epoTime, obs, tLC);
+          }
+          
+          double ll = obs->obsValue(tLC) - obs->cmpValue(tLC) - DotProduct(_x0, AA);
+          double vv = DotProduct(AA, _xFlt) - ll;
+          
+          if (fabs(vv) > SLIP) {
+            LOG << epoTimeStr << " cycle slip detected " << t_lc::toString(tLC) << ' ' 
+                << obs->prn().toString() << ' ' << setw(8) << setprecision(4) << vv << endl;
+            resetAmb(obs->prn(), obsVector);
+          }
+        }
+      }
+    }
+  }
+
+  return success;
+}
+
+// Reset Ambiguity Parameter (cycle slip)
+////////////////////////////////////////////////////////////////////////////
+t_irc t_pppFilter::resetAmb(t_prn prn, const vector<t_pppSatObs*>& obsVector,
+                            SymmetricMatrix* QSav, ColumnVector* xSav) {
+  t_irc irc = failure;
+  vector<t_pppParam*>& params = _parlist->params();
+  for (unsigned iPar = 0; iPar < params.size(); iPar++) {
+    t_pppParam* par = params[iPar];
+    if (par->type() == t_pppParam::amb && par->prn() == prn) {
+      int ind = par->indexNew();
+      t_lc::type tLC = par->tLC();
+      LOG << string(_epoTime) << " RESET " << par->toString() << endl;
+      delete par; par = new t_pppParam(t_pppParam::amb, prn, tLC, &obsVector);
+      par->setIndex(ind);
+      params[iPar] = par;
+      for (unsigned ii = 1; ii <= params.size(); ii++) {
+        _QFlt(ii, ind+1) = 0.0;
+        if (QSav) {
+          (*QSav)(ii, ind+1) = 0.0;
+        }
+      }
+      _QFlt(ind+1,ind+1) = par->sigma0() * par->sigma0();
+      if (QSav) {
+        (*QSav)(ind+1,ind+1) = _QFlt(ind+1,ind+1);
+      }
+      _xFlt[ind] = 0.0;
+      if (xSav) {
+        (*xSav)[ind] = _xFlt[ind];
+      }
+      _x0[ind] = par->x0();
+      irc = success;
+    }
+  }
+
+  return irc;
+}
+
+// Compute various DOP Values
+////////////////////////////////////////////////////////////////////////////
+void t_pppFilter::cmpDOP(const vector<t_pppSatObs*>& obsVector) {
+
+  _dop.reset();
+
+  try {
+    const unsigned numPar = 4;
+    Matrix AA(obsVector.size(), numPar);
+    _numSat = 0;
+    for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+      t_pppSatObs* obs = obsVector[ii];
+      if (obs->isValid() && !obs->outlier()) {
+        ++_numSat;
+        for (unsigned iPar = 0; iPar < numPar; iPar++) {
+          const t_pppParam* par = _parlist->params()[iPar];
+          AA[_numSat-1][iPar] = par->partial(_epoTime, obs, t_lc::c1);
+        }
+      }
+    }
+    if (_numSat < 4) {
+      return;
+    }
+    AA = AA.Rows(1, _numSat);
+    SymmetricMatrix NN; NN << AA.t() * AA;  
+    SymmetricMatrix QQ = NN.i();
+    
+    _dop.P = sqrt(QQ(1,1) + QQ(2,2) + QQ(3,3));
+    _dop.T = sqrt(QQ(4,4));
+    _dop.G = sqrt(QQ(1,1) + QQ(2,2) + QQ(3,3) + QQ(4,4));
+  }
+  catch (...) {
+  }
+}
+
+// Compute various DOP Values
+////////////////////////////////////////////////////////////////////////////
+void t_pppFilter::predictCovCrdPart(const SymmetricMatrix& QFltOld) {
+
+  const vector<t_pppParam*>& params = _parlist->params();
+  if (params.size() < 3) {
+    return;
+  }
+
+  bool first = (params[0]->indexOld() < 0);
+
+  SymmetricMatrix Qneu(3); Qneu = 0.0;
+  for (unsigned ii = 0; ii < 3; ii++) {
+    const t_pppParam* par = params[ii];
+    if (first) {
+      Qneu[ii][ii] = par->sigma0() * par->sigma0();
+    }
+    else {
+      Qneu[ii][ii] = par->noise() * par->noise();
+    }
+  }
+
+  const t_pppStation* sta = PPP_CLIENT->staRover();
+  SymmetricMatrix Qxyz(3);
+  covariNEU_XYZ(Qneu, sta->ellApr().data(), Qxyz);
+
+  if (first) {
+    _QFlt.SymSubMatrix(1,3) = Qxyz;
+  }
+  else {
+    double dt = _epoTime - _firstEpoTime;
+    if (dt < OPT->_seedingTime) {
+      _QFlt.SymSubMatrix(1,3) = QFltOld.SymSubMatrix(1,3);
+    }
+    else {
+      _QFlt.SymSubMatrix(1,3) = QFltOld.SymSubMatrix(1,3) + Qxyz;
+    }
+  }
+}
Index: trunk/BNC/src/PPP/pppFilter.h
===================================================================
--- trunk/BNC/src/PPP/pppFilter.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppFilter.h	(revision 7237)
@@ -0,0 +1,97 @@
+#ifndef FILTER_H
+#define FILTER_H
+
+#include <vector>
+#include <newmat.h>
+#include "pppInclude.h"
+#include "pppParlist.h"
+#include "bnctime.h"
+#include "t_prn.h"
+
+namespace BNC_PPP {
+
+class t_pppParlist;
+class t_pppObsPool;
+class t_pppSatObs;
+
+class t_pppFilter {
+ public:
+  t_pppFilter();
+  ~t_pppFilter();
+
+  t_irc processEpoch(t_pppObsPool* obsPool);
+
+  const ColumnVector&    x() const {return _xFlt;}
+  const SymmetricMatrix& Q() const {return _QFlt;}
+
+  int    numSat() const {return _numSat;}
+  double PDOP() const {return _dop.P;}
+  double GDOP() const {return _dop.G;}
+  double trp() const {
+    const std::vector<t_pppParam*>& par = _parlist->params();
+    for (unsigned ii = 0; ii < par.size(); ++ii) {
+      if (par[ii]->type() == t_pppParam::trp) {
+        return x()[ii];
+      }
+    }
+    return 0.0;
+  };
+  double trpStdev() const {
+    const std::vector<t_pppParam*>& par = _parlist->params();
+    for (unsigned ii = 0; ii < par.size(); ++ii) {
+      if (par[ii]->type() == t_pppParam::trp) {
+        return sqrt(Q()[ii][ii]);
+      }
+    }
+    return 0.0;
+  };
+
+ private:
+  class t_slip {
+   public:
+    t_slip() {
+      _slip            = false;
+      _obsSlipCounter  = -1;
+      _biasJumpCounter = -1;
+    }
+    bool _slip;
+    int  _obsSlipCounter;
+    int  _biasJumpCounter;
+  };
+
+  class t_dop {
+   public:
+    t_dop() {reset();}
+    void reset() {P = T = G = 0.0;}
+    double P;
+    double T;
+    double G;
+  };
+
+  t_irc processSystem(const std::vector<t_lc::type>& LCs, 
+                      const std::vector<t_pppSatObs*>& obsVector);
+
+  t_irc detectCycleSlips(const std::vector<t_lc::type>& LCs, 
+                         const std::vector<t_pppSatObs*>& obsVector);
+
+  t_irc resetAmb(t_prn prn, const std::vector<t_pppSatObs*>& obsVector,
+                 SymmetricMatrix* QSav = 0, ColumnVector* xSav = 0);
+
+  void cmpDOP(const std::vector<t_pppSatObs*>& obsVector);
+
+  void predictCovCrdPart(const SymmetricMatrix& QFltOld);
+
+  bncTime         _epoTime;
+  t_pppParlist*   _parlist;
+  SymmetricMatrix _QFlt;
+  ColumnVector    _xFlt;
+  ColumnVector    _x0;
+  t_slip          _slips[t_prn::MAXPRN+1];
+  int             _numSat;
+  t_dop           _dop;
+  bncTime         _firstEpoTime;
+};
+
+}
+
+#endif
Index: trunk/BNC/src/PPP/pppObsPool.cpp
===================================================================
--- trunk/BNC/src/PPP/pppObsPool.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppObsPool.cpp	(revision 7237)
@@ -0,0 +1,77 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppObsPool
+ *
+ * Purpose:    Buffer with observations
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:    
+ *
+ * -----------------------------------------------------------------------*/
+
+#include "pppObsPool.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+// Constructor
+/////////////////////////////////////////////////////////////////////////////
+t_pppObsPool::t_epoch::t_epoch(const bncTime& epoTime, vector<t_pppSatObs*>& obsVector) {
+  _epoTime   = epoTime;
+  for (unsigned ii = 0; ii < obsVector.size(); ii++) {
+    _obsVector.push_back(obsVector[ii]);
+  }
+  obsVector.clear();
+}
+
+// Destructor
+/////////////////////////////////////////////////////////////////////////////
+t_pppObsPool::t_epoch::~t_epoch() {
+  for (unsigned ii = 0; ii < _obsVector.size(); ii++) {
+    delete _obsVector[ii];
+  }
+}
+
+// Constructor
+/////////////////////////////////////////////////////////////////////////////
+t_pppObsPool::t_pppObsPool() {
+  for (unsigned ii = 0; ii <= t_prn::MAXPRN; ii++) {
+    _satCodeBiases[ii] = 0;
+  }
+}
+
+// Destructor
+/////////////////////////////////////////////////////////////////////////////
+t_pppObsPool::~t_pppObsPool() {
+  for (unsigned ii = 0; ii <= t_prn::MAXPRN; ii++) {
+    delete _satCodeBiases[ii];
+  }
+  while (_epochs.size() > 0) {
+    delete _epochs.front();
+    _epochs.pop_front();
+  }
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppObsPool::putCodeBias(t_satCodeBias* satCodeBias) {
+  int iPrn = satCodeBias->_prn.toInt();
+  delete _satCodeBiases[iPrn];
+  _satCodeBiases[iPrn] = satCodeBias;
+}
+
+//
+/////////////////////////////////////////////////////////////////////////////
+void t_pppObsPool::putEpoch(const bncTime& epoTime, vector<t_pppSatObs*>& obsVector) {
+  const unsigned MAXSIZE = 2;
+  _epochs.push_back(new t_epoch(epoTime, obsVector));
+  if (_epochs.size() > MAXSIZE) {
+    delete _epochs.front();
+    _epochs.pop_front();
+  }
+}
Index: trunk/BNC/src/PPP/pppObsPool.h
===================================================================
--- trunk/BNC/src/PPP/pppObsPool.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppObsPool.h	(revision 7237)
@@ -0,0 +1,52 @@
+#ifndef OBSPOOL_H
+#define OBSPOOL_H
+
+#include <vector>
+#include <deque>
+#include "pppSatObs.h"
+#include "bnctime.h"
+
+namespace BNC_PPP {
+
+class t_pppObsPool {
+ public: 
+
+  class t_epoch {
+   public:
+    t_epoch(const bncTime& epoTime, std::vector<t_pppSatObs*>& obsVector);
+    ~t_epoch();
+    std::vector<t_pppSatObs*>& obsVector() {return _obsVector;}
+    const std::vector<t_pppSatObs*>& obsVector() const {return _obsVector;}
+    const bncTime& epoTime() const {return _epoTime;}
+   private:
+    bncTime                _epoTime;
+    std::vector<t_pppSatObs*> _obsVector;
+  };
+
+  t_pppObsPool();
+  ~t_pppObsPool();
+  void putCodeBias(t_satCodeBias* satCodeBias);
+
+  void putEpoch(const bncTime& epoTime, std::vector<t_pppSatObs*>& obsVector);
+
+  const t_satCodeBias* satCodeBias(const t_prn& prn) const {  
+    return _satCodeBiases[prn.toInt()];
+  }
+
+  t_epoch* lastEpoch() {
+    if (_epochs.size()) {
+      return _epochs.back();
+    }
+    else {
+      return 0;
+    }
+  }
+
+ private:
+  t_satCodeBias*       _satCodeBiases[t_prn::MAXPRN+1];
+  std::deque<t_epoch*> _epochs;
+};
+
+}
+
+#endif
Index: trunk/BNC/src/PPP/pppParlist.cpp
===================================================================
--- trunk/BNC/src/PPP/pppParlist.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppParlist.cpp	(revision 7237)
@@ -0,0 +1,415 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppParlist
+ *
+ * Purpose:    List of estimated parameters
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:
+ *
+ * -----------------------------------------------------------------------*/
+
+#include <cmath>
+#include <iostream>
+#include <sstream>
+#include <iomanip>
+#include <algorithm>
+#include <newmatio.h>
+
+#include "pppParlist.h"
+#include "pppSatObs.h"
+#include "pppStation.h"
+#include "bncutils.h"
+#include "bncconst.h"
+#include "pppClient.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+// Constructor
+////////////////////////////////////////////////////////////////////////////
+t_pppParam::t_pppParam(e_type type, const t_prn& prn, t_lc::type tLC,
+                 const vector<t_pppSatObs*>* obsVector) {
+
+  _type     = type;
+  _prn      = prn;
+  _tLC      = tLC;
+  _x0       = 0.0;
+  _indexOld = -1;
+  _indexNew = -1;
+  _noise    = 0.0;
+  _ambInfo  = 0;
+
+  switch (_type) {
+   case crdX:
+     _epoSpec = false;
+     _sigma0  = OPT->_aprSigCrd[0];
+     _noise   = OPT->_noiseCrd[0];
+     break;
+   case crdY:
+     _epoSpec = false;
+     _sigma0  = OPT->_aprSigCrd[1];
+     _noise   = OPT->_noiseCrd[1];
+     break;
+   case crdZ:
+     _epoSpec = false;
+     _sigma0  = OPT->_aprSigCrd[2];
+     _noise   = OPT->_noiseCrd[2];
+     break;
+   case clkR:
+     _epoSpec = true;
+     _sigma0  = OPT->_noiseClk;
+     break;
+   case amb:
+     _epoSpec = false;
+     _sigma0  = OPT->_aprSigAmb;
+     _ambInfo = new t_ambInfo();
+     if (obsVector) {
+       for (unsigned ii = 0; ii < obsVector->size(); ii++) {
+         const t_pppSatObs* obs = obsVector->at(ii);
+         if (obs->prn() == _prn) {
+           double offGG = 0;
+           if (_prn.system() == 'R' && tLC != t_lc::MW) {
+             offGG = PPP_CLIENT->offGG();
+           }
+           _x0 = floor((obs->obsValue(tLC) - offGG - obs->cmpValue(tLC)) / obs->lambda(tLC) + 0.5);
+           break;
+         }
+       }
+     }
+     break;
+   case offGG:
+     _epoSpec = true;
+     _sigma0  = 1000.0;
+     _x0      = PPP_CLIENT->offGG();
+     break;
+   case trp:
+     _epoSpec = false;
+     _sigma0  = OPT->_aprSigTrp;
+     _noise   = OPT->_noiseTrp;
+     break;
+  }
+}
+
+// Destructor
+////////////////////////////////////////////////////////////////////////////
+t_pppParam::~t_pppParam() {
+  delete _ambInfo;
+}
+
+//
+////////////////////////////////////////////////////////////////////////////
+double t_pppParam::partial(const bncTime& /* epoTime */, const t_pppSatObs* obs,
+                        const t_lc::type& tLC) const {
+
+  // Special Case - Melbourne-Wuebbena
+  // ---------------------------------
+  if (tLC == t_lc::MW && _type != amb) {
+    return 0.0;
+  }
+
+  const t_pppStation* sta  = PPP_CLIENT->staRover();
+  ColumnVector     rhoV = sta->xyzApr() - obs->xc().Rows(1,3);
+
+  switch (_type) {
+  case crdX:
+    return (sta->xyzApr()[0] - obs->xc()[0]) / rhoV.norm_Frobenius();
+  case crdY:
+    return (sta->xyzApr()[1] - obs->xc()[1]) / rhoV.norm_Frobenius();
+  case crdZ:
+    return (sta->xyzApr()[2] - obs->xc()[2]) / rhoV.norm_Frobenius();
+  case clkR:
+    return 1.0;
+  case offGG:
+    return (obs->prn().system() == 'R') ? 1.0 : 0.0;
+  case amb:
+    if (obs->prn() == _prn) {
+      if      (tLC == _tLC) {
+        return (obs->lambda(tLC));
+      }
+      else if (tLC == t_lc::lIF && _tLC == t_lc::MW) {
+        return obs->lambda(t_lc::lIF) * obs->lambda(t_lc::MW) / obs->lambda(t_lc::l2);
+      }
+      else {
+        map<t_frequency::type, double> codeCoeff;
+        map<t_frequency::type, double> phaseCoeff;
+        obs->lcCoeff(tLC, codeCoeff, phaseCoeff);
+        if      (_tLC == t_lc::l1) {
+          return obs->lambda(t_lc::l1) * phaseCoeff[t_lc::toFreq(obs->prn().system(),t_lc::l1)];
+        }
+        else if (_tLC == t_lc::l2) {
+          return obs->lambda(t_lc::l2) * phaseCoeff[t_lc::toFreq(obs->prn().system(),t_lc::l2)];
+        }
+      }
+    }
+    return 0.0;
+  case trp:
+    return 1.0 / sin(obs->eleSat());
+  }
+
+  return 0.0;
+}
+
+//
+////////////////////////////////////////////////////////////////////////////
+string t_pppParam::toString() const {
+  stringstream ss;
+  switch (_type) {
+  case crdX:
+    ss << "CRD_X";
+    break;
+  case crdY:
+    ss << "CRD_Y";
+    break;
+  case crdZ:
+    ss << "CRD_Z";
+    break;
+  case clkR:
+    ss << "CLK        ";
+    break;
+  case amb:
+    ss << "AMB " << left << setw(3) << t_lc::toString(_tLC) << right << ' ' << _prn.toString();
+    break;
+  case offGG:
+    ss << "OGG        ";
+    break;
+  case trp:
+    ss << "TRP        ";
+    break;
+  }
+  return ss.str();
+}
+
+// Constructor
+////////////////////////////////////////////////////////////////////////////
+t_pppParlist::t_pppParlist() {
+}
+
+// Destructor
+////////////////////////////////////////////////////////////////////////////
+t_pppParlist::~t_pppParlist() {
+  for (unsigned ii = 0; ii < _params.size(); ii++) {
+    delete _params[ii];
+  }
+}
+
+//
+////////////////////////////////////////////////////////////////////////////
+t_irc t_pppParlist::set(const bncTime& epoTime, const std::vector<t_pppSatObs*>& obsVector) {
+
+  // Remove some Parameters
+  // ----------------------
+  vector<t_pppParam*>::iterator it = _params.begin();
+  while (it != _params.end()) {
+    t_pppParam* par = *it;
+
+    bool remove = false;
+
+    if      (par->epoSpec()) {
+      remove = true;
+    }
+
+    else if (par->type() == t_pppParam::amb) {
+      if (par->lastObsTime().valid() && (epoTime - par->lastObsTime() > 120.0)) {
+        remove = true;
+      }
+    }
+
+    else if (par->type() == t_pppParam::amb) {
+      if (par->lastObsTime().valid() && (epoTime - par->lastObsTime() > 3600.0)) {
+        remove = true;
+      }
+    }
+
+    if (remove) {
+      delete par;
+      it = _params.erase(it);
+    }
+    else {
+      ++it;
+    }
+  }
+
+  // Check whether parameters have observations
+  // ------------------------------------------
+  for (unsigned ii = 0; ii < _params.size(); ii++) {
+    t_pppParam* par = _params[ii];
+    if (par->prn() == 0) {
+      par->setLastObsTime(epoTime);
+      if (par->firstObsTime().undef()) {
+        par->setFirstObsTime(epoTime);
+      }
+    }
+    else {
+      for (unsigned jj = 0; jj < obsVector.size(); jj++) {
+        const t_pppSatObs* satObs = obsVector[jj];
+        if (satObs->prn() == par->prn()) {
+          par->setLastObsTime(epoTime);
+          if (par->firstObsTime().undef()) {
+            par->setFirstObsTime(epoTime);
+          }
+          break;
+        }
+      }
+    }
+  }
+
+  // Required Set of Parameters
+  // --------------------------
+  vector<t_pppParam*> required;
+
+  // Coordinates
+  // -----------
+  required.push_back(new t_pppParam(t_pppParam::crdX, t_prn(), t_lc::dummy));
+  required.push_back(new t_pppParam(t_pppParam::crdY, t_prn(), t_lc::dummy));
+  required.push_back(new t_pppParam(t_pppParam::crdZ, t_prn(), t_lc::dummy));
+
+  // Receiver Clock
+  // --------------
+  required.push_back(new t_pppParam(t_pppParam::clkR, t_prn(), t_lc::dummy));
+
+  // GPS-Glonass Clock Offset
+  // ------------------------
+  if (OPT->useSystem('R')) {
+    required.push_back(new t_pppParam(t_pppParam::offGG, t_prn(), t_lc::dummy));
+  }
+
+  // Troposphere
+  // -----------
+  if (OPT->estTrp()) {
+    required.push_back(new t_pppParam(t_pppParam::trp, t_prn(), t_lc::dummy));
+  }
+
+  // Ambiguities
+  // -----------
+  for (unsigned jj = 0; jj < obsVector.size(); jj++) {
+    const t_pppSatObs*        satObs = obsVector[jj];
+    const vector<t_lc::type>& ambLCs = OPT->ambLCs(satObs->prn().system());
+    for (unsigned ii = 0; ii < ambLCs.size(); ii++) {
+      required.push_back(new t_pppParam(t_pppParam::amb, satObs->prn(), ambLCs[ii], &obsVector));
+    }
+  }
+
+  // Check if all required parameters are present
+  // --------------------------------------------
+  for (unsigned ii = 0; ii < required.size(); ii++) {
+    t_pppParam* parReq = required[ii];
+
+    bool found = false;
+    for (unsigned jj = 0; jj < _params.size(); jj++) {
+      t_pppParam* parOld = _params[jj];
+      if (parOld->isEqual(parReq)) {
+        found = true;
+        break;
+      }
+    }
+    if (found) {
+      delete parReq;
+    }
+    else {
+      _params.push_back(parReq);
+    }
+  }
+
+  // Set Parameter Indices
+  // ---------------------
+  sort(_params.begin(), _params.end(), t_pppParam::sortFunction);
+
+  for (unsigned ii = 0; ii < _params.size(); ii++) {
+    t_pppParam* par = _params[ii];
+    par->setIndex(ii);
+    for (unsigned jj = 0; jj < obsVector.size(); jj++) {
+      const t_pppSatObs* satObs = obsVector[jj];
+      if (satObs->prn() == par->prn()) {
+        par->setAmbEleSat(satObs->eleSat());
+        par->stepAmbNumEpo();
+      }
+    }
+  }
+
+  return success;
+}
+
+//
+////////////////////////////////////////////////////////////////////////////
+void t_pppParlist::printResult(const bncTime& epoTime, const SymmetricMatrix& QQ,
+                               const ColumnVector& xx) const {
+
+  string epoTimeStr = string(epoTime);
+  const t_pppStation* sta = PPP_CLIENT->staRover();
+
+  LOG << endl;
+
+  t_pppParam* parX = 0;
+  t_pppParam* parY = 0;
+  t_pppParam* parZ = 0;
+  for (unsigned ii = 0; ii < _params.size(); ii++) {
+    t_pppParam* par = _params[ii];
+    if      (par->type() == t_pppParam::crdX) {
+      parX = par;
+    }
+    else if (par->type() == t_pppParam::crdY) {
+      parY = par;
+    }
+    else if (par->type() == t_pppParam::crdZ) {
+      parZ = par;
+    }
+    else {
+      int ind = par->indexNew();
+      double apr = (par->type() == t_pppParam::trp) ?
+        t_tropo::delay_saast(sta->xyzApr(), M_PI/2.0) :  par->x0();
+      LOG << epoTimeStr << ' ' << par->toString() << ' '
+          << setw(10) << setprecision(4) << apr << ' '
+          << showpos << setw(10) << setprecision(4) << xx[ind] << noshowpos << " +- "
+          << setw(8)  << setprecision(4) << sqrt(QQ[ind][ind]);
+      if (par->type() == t_pppParam::amb) {
+        LOG << " el = " << setw(6) << setprecision(2) << par->ambEleSat() * 180.0 / M_PI
+            << " epo = " << setw(4) << par->ambNumEpo();
+      }
+      LOG << endl;
+    }
+  }
+
+  if (parX && parY && parZ) {
+
+	ColumnVector xyz(3);
+    xyz[0] = xx[parX->indexNew()];
+    xyz[1] = xx[parY->indexNew()];
+    xyz[2] = xx[parZ->indexNew()];
+
+    ColumnVector neu(3);
+    xyz2neu(sta->ellApr().data(), xyz.data(), neu.data());
+
+    SymmetricMatrix QQxyz = QQ.SymSubMatrix(1,3);
+
+    SymmetricMatrix QQneu(3);
+    covariXYZ_NEU(QQxyz, sta->ellApr().data(), QQneu);
+
+    LOG << epoTimeStr << ' ' << sta->name()
+        << " X = " << setprecision(4) << sta->xyzApr()[0] + xyz[0] << " +- "
+        << setprecision(4) << sqrt(QQxyz[0][0])
+
+        << " Y = " << setprecision(4) << sta->xyzApr()[1] + xyz[1] << " +- "
+        << setprecision(4) << sqrt(QQxyz[1][1])
+
+        << " Z = " << setprecision(4) << sta->xyzApr()[2] + xyz[2] << " +- "
+        << setprecision(4) << sqrt(QQxyz[2][2])
+
+        << " dN = " << setprecision(4) << neu[0] << " +- "
+        << setprecision(4) << sqrt(QQneu[0][0])
+
+        << " dE = " << setprecision(4) << neu[1] << " +- "
+        << setprecision(4) << sqrt(QQneu[1][1])
+
+        << " dU = " << setprecision(4) << neu[2] << " +- "
+        << setprecision(4) << sqrt(QQneu[2][2])
+
+        << endl;
+  }
+}
+
Index: trunk/BNC/src/PPP/pppParlist.h
===================================================================
--- trunk/BNC/src/PPP/pppParlist.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppParlist.h	(revision 7237)
@@ -0,0 +1,111 @@
+#ifndef PARLIST_H
+#define PARLIST_H
+
+#include <vector>
+#include <string>
+#include "pppInclude.h"
+#include "t_prn.h"
+#include "bnctime.h"
+
+namespace BNC_PPP {
+
+class t_pppSatObs;
+
+class t_pppParam {
+ public:
+  enum e_type {crdX, crdY, crdZ, clkR, amb, offGG, trp};
+
+  t_pppParam(e_type type, const t_prn& prn, t_lc::type tLC,
+          const std::vector<t_pppSatObs*>* obsVector = 0);
+
+  ~t_pppParam();
+  e_type type() const {return _type;}
+  double x0()  const {return _x0;}
+  double partial(const bncTime& epoTime, const t_pppSatObs* obs, 
+                 const t_lc::type& tLC) const;
+  bool   epoSpec() const {return _epoSpec;}
+  bool   isEqual(const t_pppParam* par2) const {
+    return (_type == par2->_type && _prn == par2->_prn && _tLC == par2->_tLC);
+  }
+  void   setIndex(int indexNew) {
+    _indexOld = _indexNew;
+    _indexNew = indexNew;
+  }
+  int indexOld() const {return _indexOld;}
+  int indexNew() const {return _indexNew;}
+  double sigma0() const {return _sigma0;}
+  double noise() const {return _noise;}
+  t_lc::type tLC() const {return _tLC;}
+  t_prn prn() const {return _prn;}
+  std::string toString() const;
+
+  const bncTime& lastObsTime() const {return _lastObsTime;}
+  void setLastObsTime(const bncTime& epoTime) {_lastObsTime = epoTime;}
+  const bncTime& firstObsTime() const {return _firstObsTime;}
+  void setFirstObsTime(const bncTime& epoTime) {_firstObsTime = epoTime;}
+
+  bool     ambResetCandidate() const   {return _ambInfo && _ambInfo->_resetCandidate;}
+  void     setAmbResetCandidate()      {if (_ambInfo) _ambInfo->_resetCandidate = true;}
+  double   ambEleSat() const           {return _ambInfo ? _ambInfo->_eleSat : 0.0;}
+  void     setAmbEleSat(double eleSat) {if (_ambInfo) _ambInfo->_eleSat = eleSat;}
+  unsigned ambNumEpo() const           {return _ambInfo ? _ambInfo->_numEpo : 0;}
+  void     stepAmbNumEpo()             {if (_ambInfo) _ambInfo->_numEpo += 1;}
+
+  static bool sortFunction(const t_pppParam* p1, const t_pppParam* p2) {
+    if      (p1->_type != p2->_type) {
+      return p1->_type < p2->_type;
+    }
+    else if (p1->_tLC != p2->_tLC) {
+      return p1->_tLC < p2->_tLC;
+    }
+    else if (p1->_prn != p2->_prn) {
+      return p1->_prn < p2->_prn;
+    }
+    return false;
+  }
+
+ private:
+  class t_ambInfo {
+   public:
+    t_ambInfo() {
+      _resetCandidate = false;
+      _eleSat         = 0.0;
+      _numEpo         = 0;
+    }
+    ~t_ambInfo() {}
+    bool     _resetCandidate;
+    double   _eleSat;
+    unsigned _numEpo;
+  };
+  e_type     _type;
+  t_prn      _prn;
+  t_lc::type _tLC;
+  double     _x0;
+  bool       _epoSpec;
+  int        _indexOld;
+  int        _indexNew;
+  double     _sigma0;
+  double     _noise;
+  t_ambInfo* _ambInfo;
+  bncTime    _lastObsTime;
+  bncTime    _firstObsTime;
+};
+
+class t_pppParlist {
+ public:
+  t_pppParlist();
+  ~t_pppParlist();
+
+  t_irc set(const bncTime& epoTime, const std::vector<t_pppSatObs*>& obsVector);
+  unsigned nPar() const {return _params.size();}
+  const std::vector<t_pppParam*>& params() const {return _params;}
+  std::vector<t_pppParam*>& params() {return _params;}
+  void printResult(const bncTime& epoTime, const SymmetricMatrix& QQ, 
+                   const ColumnVector& xx) const;
+ private:
+  std::vector<t_pppParam*> _params;
+};
+
+}
+
+#endif
Index: trunk/BNC/src/PPP/pppSatObs.cpp
===================================================================
--- trunk/BNC/src/PPP/pppSatObs.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppSatObs.cpp	(revision 7237)
@@ -0,0 +1,512 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppSatObs
+ *
+ * Purpose:    Satellite observations
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:    
+ *
+ * -----------------------------------------------------------------------*/
+
+
+#include <iostream>
+#include <cmath>
+#include <newmatio.h>
+
+#include "pppSatObs.h"
+#include "bncconst.h"
+#include "pppEphPool.h"
+#include "pppStation.h"
+#include "bncutils.h"
+#include "bncantex.h"
+#include "pppObsPool.h"
+#include "pppClient.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+// Constructor
+////////////////////////////////////////////////////////////////////////////
+t_pppSatObs::t_pppSatObs(const t_satObs& pppSatObs) {
+  _prn     = pppSatObs._prn;
+  _time    = pppSatObs._time;
+  _outlier = false;
+  _valid   = true;
+  for (unsigned ii = 0; ii < t_frequency::max; ii++) {
+    _obs[ii] = 0;
+  }
+  prepareObs(pppSatObs);
+}
+
+// Destructor
+////////////////////////////////////////////////////////////////////////////
+t_pppSatObs::~t_pppSatObs() {
+  for (unsigned iFreq = 1; iFreq < t_frequency::max; iFreq++) {
+    delete _obs[iFreq];
+  }
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+void t_pppSatObs::prepareObs(const t_satObs& pppSatObs) {
+
+  _model.reset();
+
+  // Select pseudoranges and phase observations
+  // ------------------------------------------
+  const string preferredAttrib = "CWPX_";
+
+  for (unsigned iFreq = 1; iFreq < t_frequency::max; iFreq++) {
+    string frqNum = t_frequency::toString(t_frequency::type(iFreq)).substr(1);
+    for (unsigned iPref = 0; iPref < preferredAttrib.length(); iPref++) {
+      string obsType = (preferredAttrib[iPref] == '_') ? frqNum : frqNum + preferredAttrib[iPref];
+      if (_obs[iFreq] == 0) {
+        for (unsigned ii = 0; ii < pppSatObs._obs.size(); ii++) {
+          const t_frqObs* obs = pppSatObs._obs[ii];
+          if (obs->_rnxType2ch == obsType && obs->_codeValid && obs->_phaseValid) {
+            _obs[iFreq] = new t_frqObs(*obs);
+          }
+        }
+      }
+    }
+  }
+
+  // Used frequency types
+  // --------------------
+  _fType1 = t_lc::toFreq(_prn.system(),t_lc::l1);
+  _fType2 = t_lc::toFreq(_prn.system(),t_lc::l2);
+
+  // Check whether all required frequencies available
+  // ------------------------------------------------
+  for (unsigned ii = 0; ii < OPT->LCs(_prn.system()).size(); ii++) {
+    t_lc::type tLC = OPT->LCs(_prn.system())[ii];
+    if (!isValid(tLC)) {
+      _valid = false;
+      return;
+    }
+  }
+
+  // Find Glonass Channel Number
+  // ---------------------------
+  if (_prn.system() == 'R') {
+    _channel = PPP_CLIENT->ephPool()->getChannel(_prn);
+  }
+  else {
+    _channel = 0;
+  }
+
+  // Compute Satellite Coordinates at Time of Transmission
+  // -----------------------------------------------------
+  _xcSat.ReSize(4); _xcSat = 0.0;
+  _vvSat.ReSize(4); _vvSat = 0.0;
+  bool totOK  = false;
+  ColumnVector satPosOld(4); satPosOld = 0.0;
+  t_lc::type tLC = isValid(t_lc::cIF) ? t_lc::cIF : t_lc::c1;
+  double prange = obsValue(tLC);
+  for (int ii = 1; ii <= 10; ii++) {
+    bncTime ToT = _time - prange / t_CST::c - _xcSat[3];
+    if (PPP_CLIENT->ephPool()->getCrd(_prn, ToT, _xcSat, _vvSat) != success) {
+      _valid = false;
+      return;
+    }
+    ColumnVector dx = _xcSat - satPosOld;
+    dx[3] *= t_CST::c;
+    if (dx.norm_Frobenius() < 1.e-4) {
+      totOK = true;
+      break;
+    }
+    satPosOld = _xcSat; 
+  }
+  if (totOK) {
+    _model._satClkM = _xcSat[3] * t_CST::c; 
+  }
+  else {
+    _valid = false;
+  }
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+void t_pppSatObs::lcCoeff(t_lc::type tLC, 
+                          map<t_frequency::type, double>& codeCoeff,
+                          map<t_frequency::type, double>& phaseCoeff) const {
+
+  codeCoeff.clear();
+  phaseCoeff.clear();
+
+  double f1 = t_CST::freq(_fType1, _channel);
+  double f2 = t_CST::freq(_fType2, _channel);
+
+  switch (tLC) {
+  case t_lc::l1:
+    phaseCoeff[_fType1] = 1.0;  
+    return;
+  case t_lc::l2:  
+    phaseCoeff[_fType2] = 1.0;  
+    return;
+  case t_lc::lIF: 
+    phaseCoeff[_fType1] =  f1 * f1 / (f1 * f1 - f2 * f2);
+    phaseCoeff[_fType2] = -f2 * f2 / (f1 * f1 - f2 * f2);
+    return;
+  case t_lc::MW:  
+    phaseCoeff[_fType1] =  f1 / (f1 - f2);
+    phaseCoeff[_fType2] = -f2 / (f1 - f2);
+    codeCoeff[_fType1]  = -f1 / (f1 + f2);
+    codeCoeff[_fType2]  = -f2 / (f1 + f2);
+    return;
+  case t_lc::CL:  
+    phaseCoeff[_fType1] =  0.5;
+    codeCoeff[_fType1]  =  0.5;
+    return;
+  case t_lc::c1:  
+    codeCoeff[_fType1] = 1.0;  
+    return;
+  case t_lc::c2:  
+    codeCoeff[_fType2] = 1.0;  
+    return;
+  case t_lc::cIF: 
+    codeCoeff[_fType1] =  f1 * f1 / (f1 * f1 - f2 * f2);
+    codeCoeff[_fType2] = -f2 * f2 / (f1 * f1 - f2 * f2);
+    return;
+  case t_lc::dummy: 
+  case t_lc::maxLc: 
+    return;
+  }
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+bool t_pppSatObs::isValid(t_lc::type tLC) const {
+  bool valid = true;
+  obsValue(tLC, &valid);
+  return valid;
+}
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::obsValue(t_lc::type tLC, bool* valid) const {
+
+  map<t_frequency::type, double> codeCoeff;
+  map<t_frequency::type, double> phaseCoeff;
+  lcCoeff(tLC, codeCoeff, phaseCoeff);
+
+  double retVal = 0.0;
+  if (valid) *valid = true;
+
+  map<t_frequency::type, double>::const_iterator it;
+  for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
+    t_frequency::type tFreq = it->first;
+    if (_obs[tFreq] == 0) {
+      if (valid) *valid = false;
+      return 0.0;
+    }
+    else {
+      retVal += it->second * _obs[tFreq]->_code;
+    }
+  }
+  for (it = phaseCoeff.begin(); it != phaseCoeff.end(); it++) {
+    t_frequency::type tFreq = it->first;
+    if (_obs[tFreq] == 0) {
+      if (valid) *valid = false;
+      return 0.0;
+    }
+    else {
+      retVal += it->second * _obs[tFreq]->_phase * t_CST::lambda(tFreq, _channel);
+    }
+  }
+
+  return retVal;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::lambda(t_lc::type tLC) const {
+
+  double f1 = t_CST::freq(_fType1, _channel);
+  double f2 = t_CST::freq(_fType2, _channel);
+
+  if      (tLC == t_lc::l1) {
+    return t_CST::c / f1;
+  }
+  else if (tLC == t_lc::l2) {
+    return t_CST::c / f2;
+  }
+  else if (tLC == t_lc::lIF) {
+    return t_CST::c / (f1 + f2);
+  }
+  else if (tLC == t_lc::MW) {
+    return t_CST::c / (f1 - f2);
+  }
+  else if (tLC == t_lc::CL) {
+    return t_CST::c / f1 / 2.0;
+  }
+
+  return 0.0;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::sigma(t_lc::type tLC) const {
+
+  map<t_frequency::type, double> codeCoeff;
+  map<t_frequency::type, double> phaseCoeff;
+  lcCoeff(tLC, codeCoeff, phaseCoeff);
+
+  double retVal = 0.0;
+
+  map<t_frequency::type, double>::const_iterator it;
+  for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
+    retVal += it->second * it->second * OPT->_sigmaC1 * OPT->_sigmaC1;
+  }
+  for (it = phaseCoeff.begin(); it != phaseCoeff.end(); it++) {
+    retVal += it->second * it->second * OPT->_sigmaL1 * OPT->_sigmaL1;
+  }
+  
+  retVal = sqrt(retVal);    
+
+  // De-Weight GLONASS
+  // -----------------
+  if (_prn.system() == 'R') {
+    retVal *= 5.0;
+  }
+
+  // Elevation-Dependent Weighting
+  // -----------------------------
+  double cEle = 1.0;
+  if ( (OPT->_eleWgtCode  && t_lc::includesCode(tLC)) ||
+       (OPT->_eleWgtPhase && t_lc::includesPhase(tLC)) ) {
+    double eleD = eleSat()*180.0/M_PI;
+    double hlp  = fabs(90.0 - eleD);
+    cEle = (1.0 + hlp*hlp*hlp*0.000004);
+  }
+
+  return cEle * retVal;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::maxRes(t_lc::type tLC) const {
+
+  map<t_frequency::type, double> codeCoeff;
+  map<t_frequency::type, double> phaseCoeff;
+  lcCoeff(tLC, codeCoeff, phaseCoeff);
+
+  double retVal = 0.0;
+
+  map<t_frequency::type, double>::const_iterator it;
+  for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
+    retVal += it->second * it->second * OPT->_maxResC1 * OPT->_maxResC1;
+  }
+  for (it = phaseCoeff.begin(); it != phaseCoeff.end(); it++) {
+    retVal += it->second * it->second * OPT->_maxResL1 * OPT->_maxResL1;
+  }
+
+  return sqrt(retVal);
+}
+
+
+// 
+////////////////////////////////////////////////////////////////////////////
+t_irc t_pppSatObs::cmpModel(const t_pppStation* station) {
+
+  // Reset all model values
+  // ----------------------
+  _model.reset();
+
+  // Topocentric Satellite Position
+  // ------------------------------
+  ColumnVector rSat = _xcSat.Rows(1,3);
+  ColumnVector rhoV = rSat - station->xyzApr(); 
+  _model._rho = rhoV.norm_Frobenius();
+
+  ColumnVector neu(3);
+  xyz2neu(station->ellApr().data(), rhoV.data(), neu.data());
+
+  _model._eleSat = acos( sqrt(neu[0]*neu[0] + neu[1]*neu[1]) / _model._rho );
+  if (neu[2] < 0) {
+    _model._eleSat *= -1.0;
+  }
+  _model._azSat  = atan2(neu[1], neu[0]);
+
+  // Satellite Clocks
+  // ----------------
+  _model._satClkM = _xcSat[3] * t_CST::c;
+
+  // Receiver Clocks
+  // ---------------
+  _model._recClkM = station->dClk() * t_CST::c;
+
+  // Sagnac Effect (correction due to Earth rotation)
+  // ------------------------------------------------
+  ColumnVector Omega(3);
+  Omega[0] = 0.0;
+  Omega[1] = 0.0;
+  Omega[2] = t_CST::omega / t_CST::c;
+  _model._sagnac = DotProduct(Omega, crossproduct(rSat, station->xyzApr()));
+
+  // Antenna Eccentricity
+  // --------------------
+  _model._antEcc = -DotProduct(station->xyzEcc(), rhoV) / _model._rho;
+
+  // Antenna Phase Center Offsets and Variations
+  // -------------------------------------------
+  if (PPP_CLIENT->antex()) {
+    for (unsigned ii = 0; ii < t_frequency::max; ii++) {
+      t_frequency::type frqType = static_cast<t_frequency::type>(ii);
+      bool found;
+      _model._antPCO[ii] = PPP_CLIENT->antex()->rcvCorr(station->antName(), frqType, 
+                                                        _model._eleSat, _model._azSat, found);
+    }
+  }
+
+  // Tropospheric Delay
+  // ------------------
+  _model._tropo = t_tropo::delay_saast(station->xyzApr(), _model._eleSat);
+
+  // Phase Wind-Up
+  // -------------
+  _model._windUp = station->windUp(_time, _prn, rSat);
+
+  // Code Biases
+  // -----------
+  const t_satCodeBias* satCodeBias = PPP_CLIENT->obsPool()->satCodeBias(_prn);
+  if (satCodeBias) { 
+    for (unsigned ii = 0; ii < satCodeBias->_bias.size(); ii++) {
+      const t_frqCodeBias& bias = satCodeBias->_bias[ii];
+      for (unsigned iFreq = 1; iFreq < t_frequency::max; iFreq++) {
+        const t_frqObs* obs = _obs[iFreq];
+        if (obs && obs->_rnxType2ch == bias._rnxType2ch) {
+          _model._codeBias[iFreq]  = bias._value;
+        }
+      }
+    }
+  }
+
+  // Tidal Correction
+  // ----------------
+  _model._tide = -DotProduct(station->tideDspl(), rhoV) / _model._rho;
+
+  // Ionospheric Delay
+  // -----------------
+  if (station->vTec()) {
+
+    for (unsigned iFreq = 1; iFreq < t_frequency::max; iFreq++) {
+      t_frequency::type frqType = static_cast<t_frequency::type>(iFreq);
+      //_model._codeIono[iFreq] =
+    }
+  }
+
+
+  // Ocean Loading
+  // -------------
+  // TODO
+
+  // Set Model Set Flag
+  // ------------------
+  _model._set = true;
+
+  return success;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+void t_pppSatObs::printModel() const {
+  LOG.setf(ios::fixed);
+  LOG << "MODEL for Satellite " << _prn.toString() << endl
+      << "RHO:        " << setw(12) << setprecision(3) << _model._rho     << endl
+      << "ELE:        " << setw(12) << setprecision(3) << _model._eleSat * 180.0 / M_PI << endl
+      << "AZI:        " << setw(12) << setprecision(3) << _model._azSat  * 180.0 / M_PI << endl
+      << "SATCLK:     " << setw(12) << setprecision(3) << _model._satClkM << endl
+      << "RECCLK:     " << setw(12) << setprecision(3) << _model._recClkM << endl
+      << "SAGNAC:     " << setw(12) << setprecision(3) << _model._sagnac  << endl
+      << "ANTECC:     " << setw(12) << setprecision(3) << _model._antEcc  << endl
+      << "TROPO:      " << setw(12) << setprecision(3) << _model._tropo   << endl
+      << "WINDUP:     " << setw(12) << setprecision(3) << _model._windUp  << endl
+      << "TIDES:      " << setw(12) << setprecision(3) << _model._tide    << endl;
+  for (unsigned iFreq = 1; iFreq < t_frequency::max; iFreq++) {
+    if (_obs[iFreq]) {
+      LOG << "PCO:        " << t_frequency::toString(t_frequency::type(iFreq)) << setw(12) << setprecision(3) << _model._antPCO[iFreq]    << endl
+          << "BIAS CODE:  " << t_frequency::toString(t_frequency::type(iFreq)) << setw(12) << setprecision(3) << _model._codeBias[iFreq]  << endl
+          << "BIAS PHASE: " << t_frequency::toString(t_frequency::type(iFreq)) << setw(12) << setprecision(3) << _model._phaseBias[iFreq] << endl;
+    }
+  }
+  LOG << "OBS-CMP P3: " << _prn.toString() << " " 
+      << setw(12) << setprecision(3) << obsValue(t_lc::cIF) << " "
+      << setw(12) << setprecision(3) << cmpValue(t_lc::cIF) << " "
+      << setw(12) << setprecision(3) << obsValue(t_lc::cIF) - cmpValue(t_lc::cIF) << endl;
+
+  LOG << "OBS-CMP L3: " << _prn.toString() << " " 
+      << setw(12) << setprecision(3) << obsValue(t_lc::lIF) << " "
+      << setw(12) << setprecision(3) << cmpValue(t_lc::lIF) << " "
+      << setw(12) << setprecision(3) << obsValue(t_lc::lIF) - cmpValue(t_lc::lIF) << endl;
+
+  LOG << "OBS-CMP MW: " << _prn.toString() << " " 
+      << setw(12) << setprecision(3) << obsValue(t_lc::MW) << " "
+      << setw(12) << setprecision(3) << cmpValue(t_lc::MW) << " "
+      << setw(12) << setprecision(3) << obsValue(t_lc::MW) - cmpValue(t_lc::MW) << endl;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::cmpValueForBanc(t_lc::type tLC) const {
+  return cmpValue(tLC) - _model._rho - _model._sagnac - _model._recClkM;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::cmpValue(t_lc::type tLC) const {
+
+  if (!isValid(tLC)) {
+    return 0.0;
+  }
+
+  // Non-Dispersive Part
+  // -------------------
+  double nonDisp = _model._rho    + _model._recClkM - _model._satClkM 
+                 + _model._sagnac + _model._antEcc  + _model._tropo 
+                 + _model._tide;
+
+  // Add Dispersive Part
+  // -------------------
+  map<t_frequency::type, double> codeCoeff;
+  map<t_frequency::type, double> phaseCoeff;
+  lcCoeff(tLC, codeCoeff, phaseCoeff);
+
+  double dispPart = 0.0;
+
+  map<t_frequency::type, double>::const_iterator it;
+  for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
+    t_frequency::type tFreq = it->first;
+    dispPart += it->second * (_model._antPCO[tFreq] + _model._codeBias[tFreq]);
+  }
+  for (it = phaseCoeff.begin(); it != phaseCoeff.end(); it++) {
+    t_frequency::type tFreq = it->first;
+    dispPart += it->second * (_model._antPCO[tFreq] + _model._phaseBias[tFreq] +
+                              _model._windUp * t_CST::lambda(tFreq, _channel));
+  }
+
+    return nonDisp + dispPart;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+void t_pppSatObs::setRes(t_lc::type tLC, double res) {
+  _res[tLC] = res;
+}
+
+// 
+////////////////////////////////////////////////////////////////////////////
+double t_pppSatObs::getRes(t_lc::type tLC) const {
+  map<t_lc::type, double>::const_iterator it = _res.find(tLC);
+  if (it != _res.end()) {
+    return it->second;
+  }
+  else {
+    return 0.0;
+  }
+}
Index: trunk/BNC/src/PPP/pppSatObs.h
===================================================================
--- trunk/BNC/src/PPP/pppSatObs.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppSatObs.h	(revision 7237)
@@ -0,0 +1,132 @@
+#ifndef PPPSATOBS_H
+#define PPPSATOBS_H
+
+#include <string>
+#include <map>
+#include <newmat.h>
+#include "pppInclude.h"
+#include "satObs.h"
+#include "bnctime.h"
+
+namespace BNC_PPP {
+
+class t_pppStation;
+
+class t_pppSatObs {
+ public:
+  t_pppSatObs(const t_satObs& satObs);
+  ~t_pppSatObs();
+  bool                isValid() const {return _valid;};
+  bool                isValid(t_lc::type tLC) const;
+  const t_prn&        prn() const {return _prn;}
+  const ColumnVector& xc() const {return _xcSat;}
+  const bncTime&      time() const {return _time;}
+  t_irc               cmpModel(const t_pppStation* station);
+  double              obsValue(t_lc::type tLC, bool* valid = 0) const;
+  double              cmpValue(t_lc::type tLC) const;
+  double              cmpValueForBanc(t_lc::type tLC) const;
+  double              rho() const {return _model._rho;}
+  double              sagnac() const {return _model._sagnac;}
+  double              eleSat() const {return _model._eleSat;}
+  bool                modelSet() const {return _model._set;}
+  void                printModel() const;
+  void                lcCoeff(t_lc::type tLC, 
+                              std::map<t_frequency::type, double>& codeCoeff,
+                              std::map<t_frequency::type, double>& phaseCoeff) const;
+  double              lambda(t_lc::type tLC) const;
+  double              sigma(t_lc::type tLC) const;
+  double              maxRes(t_lc::type tLC) const;
+  bool                outlier() const {return _outlier;}
+  void                setOutlier() {_outlier = true;}
+  void                setRes(t_lc::type tLC, double res);
+  double              getRes(t_lc::type tLC) const;
+
+  bool slip() const {
+    for (unsigned ii = 1; ii < t_frequency::max; ii++) {
+      if (_obs[ii] && _obs[ii]->_slip) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  int slipCounter() const {
+    int cnt = -1;
+    for (unsigned ii = 1; ii < t_frequency::max; ii++) {
+      if (_obs[ii] && _obs[ii]->_slipCounter > cnt) {
+        cnt = _obs[ii]->_slipCounter;
+      }
+    }
+    return cnt;
+  }
+
+  int biasJumpCounter() const {
+    int jmp = -1;
+    for (unsigned ii = 1; ii < t_frequency::max; ii++) {
+      if (_obs[ii] && _obs[ii]->_biasJumpCounter > jmp) {
+        jmp = _obs[ii]->_biasJumpCounter;
+      }
+    }
+    return jmp;
+  }
+
+ private:
+  class t_model {
+   public:
+    t_model() {reset();}
+    ~t_model() {}
+    void reset() {
+      _set     = false;
+      _rho     = 0.0;
+      _eleSat  = 0.0;
+      _azSat   = 0.0;
+      _recClkM = 0.0;
+      _satClkM = 0.0;
+      _sagnac  = 0.0;
+      _antEcc  = 0.0;
+      _tropo   = 0.0;
+      _tide    = 0.0;
+      _windUp  = 0.0;
+      for (unsigned ii = 0; ii < t_frequency::max; ii++) {
+        _antPCO[ii]    = 0.0;
+        _codeBias[ii]  = 0.0;
+        _phaseBias[ii] = 0.0;
+        _codeIono[ii] = 0.0;
+      }
+    }
+    bool   _set;
+    double _rho;
+    double _eleSat;
+    double _azSat;
+    double _recClkM;
+    double _satClkM;
+    double _sagnac;
+    double _antEcc;
+    double _tropo;
+    double _tide;
+    double _windUp;
+    double _antPCO[t_frequency::max];
+    double _codeBias[t_frequency::max];
+    double _phaseBias[t_frequency::max];
+    double _codeIono[t_frequency::max];
+  };
+
+  void prepareObs(const t_satObs& satObs);
+
+  bool                         _valid;
+  t_frequency::type            _fType1;
+  t_frequency::type            _fType2;
+  t_prn                        _prn;
+  bncTime                      _time;
+  int                          _channel;
+  t_frqObs*                    _obs[t_frequency::max];
+  ColumnVector                 _xcSat;
+  ColumnVector                 _vvSat;
+  t_model                      _model;
+  bool                         _outlier;
+  std::map<t_lc::type, double> _res;
+};
+
+}
+
+#endif
Index: trunk/BNC/src/PPP/pppStation.cpp
===================================================================
--- trunk/BNC/src/PPP/pppStation.cpp	(revision 7237)
+++ trunk/BNC/src/PPP/pppStation.cpp	(revision 7237)
@@ -0,0 +1,58 @@
+/* -------------------------------------------------------------------------
+ * BKG NTRIP Client
+ * -------------------------------------------------------------------------
+ *
+ * Class:      t_pppStation
+ *
+ * Purpose:    Processed station
+ *
+ * Author:     L. Mervart
+ *
+ * Created:    29-Jul-2014
+ *
+ * Changes:    
+ *
+ * -----------------------------------------------------------------------*/
+
+#include "pppStation.h"
+#include "bncutils.h"
+#include "pppModel.h"
+
+using namespace BNC_PPP;
+using namespace std;
+
+// Constructor
+//////////////////////////////////////////////////////////////////////////////
+t_pppStation::t_pppStation() {
+  _windUp    = new t_windUp();
+}
+
+// Destructor
+//////////////////////////////////////////////////////////////////////////////
+t_pppStation::~t_pppStation() {
+  delete _windUp;
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppStation::setXyzApr(const ColumnVector& xyzApr) {
+  _xyzApr = xyzApr;
+  _ellApr.ReSize(3);
+  xyz2ell(_xyzApr.data(), _ellApr.data());
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+void t_pppStation::setNeuEcc(const ColumnVector& neuEcc) {
+  _neuEcc = neuEcc;
+  _xyzEcc.ReSize(3);
+  neu2xyz(_ellApr.data(), _neuEcc.data(), _xyzEcc.data());
+}
+
+// 
+//////////////////////////////////////////////////////////////////////////////
+double t_pppStation::windUp(const bncTime& time, t_prn prn, 
+                         const ColumnVector& rSat) const {
+  return _windUp->value(time, _xyzApr, prn, rSat);
+}
+
Index: trunk/BNC/src/PPP/pppStation.h
===================================================================
--- trunk/BNC/src/PPP/pppStation.h	(revision 7237)
+++ trunk/BNC/src/PPP/pppStation.h	(revision 7237)
@@ -0,0 +1,52 @@
+#ifndef STATION_H
+#define STATION_H
+
+#include <string>
+#include <newmat.h>
+#include "pppInclude.h"
+#include "bnctime.h"
+
+namespace BNC_PPP {
+
+class t_windUp;
+
+class t_pppStation {
+ public:
+  t_pppStation();
+  ~t_pppStation();
+  void setName(std::string name) {_name = name;}
+  void setAntName(std::string antName) {_antName = antName;}
+  void setXyzApr(const ColumnVector& xyzApr);
+  void setNeuEcc(const ColumnVector& neuEcc);
+  void setDClk(double dClk) {_dClk = dClk;}
+  void setTideDspl(const ColumnVector& tideDspl) {_tideDspl = tideDspl;}
+  void setVtec(double vtec) {_vtec = vtec;}
+  const std::string&  name()      const {return _name;}
+  const std::string&  antName()   const {return _antName;}
+  const ColumnVector& xyzApr()    const {return _xyzApr;}
+  const ColumnVector& ellApr()    const {return _ellApr;}
+  const ColumnVector& neuEcc()    const {return _neuEcc;}
+  const ColumnVector& xyzEcc()    const {return _xyzEcc;}
+  const ColumnVector& tideDspl()  const {return _tideDspl;}
+  double dClk() const {return _dClk;}
+  double windUp(const bncTime& time, t_prn prn, const ColumnVector& rSat) const;
+  double vTec() const {return _vtec;}
+
+ private:
+  std::string       _name;
+  std::string       _antName;
+  ColumnVector      _xyzApr;
+  ColumnVector      _ellApr;
+  ColumnVector      _neuEcc;
+  ColumnVector      _xyzEcc;
+  ColumnVector      _tideDspl;
+  double            _dClk;
+  mutable t_windUp* _windUp;
+  bncTime           _timeCheck;
+  ColumnVector      _xyzCheck;
+  double            _vtec;
+};
+
+}
+
+#endif
