Index: /trunk/BNC/src/bncsettings.cpp
===================================================================
--- /trunk/BNC/src/bncsettings.cpp	(revision 5143)
+++ /trunk/BNC/src/bncsettings.cpp	(revision 5144)
@@ -169,4 +169,5 @@
     setValue_p("reqcOutLogFile",      "");
     setValue_p("reqcPlotDir",         "");
+    setValue_p("reqcSkyPlotSystems",  "ALL");
     setValue_p("reqcRnxVersion",      "");
     setValue_p("reqcSampling",        "");
Index: /trunk/BNC/src/bncwindow.cpp
===================================================================
--- /trunk/BNC/src/bncwindow.cpp	(revision 5143)
+++ /trunk/BNC/src/bncwindow.cpp	(revision 5144)
@@ -1074,4 +1074,12 @@
   _reqcPlotDirLineEdit->setMaximumWidth(15*ww);
 
+  _reqcSkyPlotSystems = new QComboBox();
+  _reqcSkyPlotSystems->setEditable(false);
+  _reqcSkyPlotSystems->addItems(QString("ALL,GPS,GLONASS,Galileo").split(","));
+  ik = _reqcSkyPlotSystems->findText(settings.value("reqcSkyPlotSystems").toString());
+  if (ik != -1) {
+    _reqcSkyPlotSystems->setCurrentIndex(ik);
+  }
+
   ir = 0;
   reqcLayout->addWidget(new QLabel("RINEX file editing, concatenation and quality check."),ir, 0, 1, 20);
@@ -1099,4 +1107,5 @@
   reqcLayout->addWidget(new QLabel("Directory for plots"),       ir, 0, Qt::AlignLeft);
   reqcLayout->addWidget(_reqcPlotDirLineEdit,                    ir, 1, Qt::AlignRight);
+  reqcLayout->addWidget(_reqcSkyPlotSystems,                     ir, 2, Qt::AlignRight);
   ++ir;
   reqcLayout->addWidget(new QLabel(""), ir, 1);
@@ -1866,4 +1875,5 @@
   settings.setValue("reqcOutLogFile", _reqcOutLogLineEdit->text());
   settings.setValue("reqcPlotDir",    _reqcPlotDirLineEdit->text());
+  settings.setValue("reqcSkyPlotSystems", _reqcSkyPlotSystems->currentText());
 // Combine Corrections
   if (!combineStreams.isEmpty()) {
@@ -2495,4 +2505,5 @@
     enableWidget(enable,              _reqcOutLogLineEdit);
     enableWidget(enable && !enable10, _reqcPlotDirLineEdit);
+    enableWidget(enable && !enable10, _reqcSkyPlotSystems);
   }
 
Index: /trunk/BNC/src/bncwindow.h
===================================================================
--- /trunk/BNC/src/bncwindow.h	(revision 5143)
+++ /trunk/BNC/src/bncwindow.h	(revision 5144)
@@ -179,4 +179,5 @@
     QLineEdit*     _reqcOutLogLineEdit;
     QLineEdit*     _reqcPlotDirLineEdit;
+    QComboBox*     _reqcSkyPlotSystems;
 
     QCheckBox* _rnxV3CheckBox;