Index: trunk/BNC/bncwindow.cpp
===================================================================
--- trunk/BNC/bncwindow.cpp	(revision 559)
+++ trunk/BNC/bncwindow.cpp	(revision 560)
@@ -175,4 +175,13 @@
     _rnxIntrComboBox->setCurrentIndex(ii);
   }
+  _ephIntrComboBox    = new QComboBox();
+  _ephIntrComboBox->setWhatsThis(tr("<p>Select an interval for the ephemeris file generation."));
+  _ephIntrComboBox->setMaximumWidth(9*ww);
+  _ephIntrComboBox->setEditable(false);
+  _ephIntrComboBox->addItems(QString("1 hour,1 day").split(","));
+  int jj = _ephIntrComboBox->findText(settings.value("ephIntr").toString());
+  if (jj != -1) {
+    _ephIntrComboBox->setCurrentIndex(jj);
+  }
   _rnxSamplSpinBox    = new QSpinBox();
   _rnxSamplSpinBox->setWhatsThis(tr("<p>Select the RINEX sample interval in seconds. Zero '0' stands for converting all incoming epochs to RINEX.</p><p>Default for RINEX 'Sampling' is '0'.</p>"));
@@ -286,6 +295,11 @@
   layout->addWidget(_rnxScrpLineEdit,                            5, 2, 1, 3);
 
-  layout->addWidget(new QLabel("RINEX file interval"),           6, 0, 1, 2);
-  layout->addWidget(_rnxIntrComboBox,                            6, 2);
+  layout->addWidget(new QLabel("File interval"),                 6, 0, 1, 2);
+
+  QBoxLayout* bl = new QBoxLayout(QBoxLayout::LeftToRight);
+  bl->addWidget(_rnxIntrComboBox);
+  bl->addWidget(_ephIntrComboBox);
+  layout->addLayout(bl, 6, 2, 1, 2);
+
   layout->addWidget(new QLabel("Sampling"),                      6, 3);
   layout->addWidget(_rnxSamplSpinBox,                            6, 4);
@@ -441,4 +455,5 @@
   settings.setValue("rnxScript",   _rnxScrpLineEdit->text());
   settings.setValue("rnxIntr",     _rnxIntrComboBox->currentText());
+  settings.setValue("ephIntr",     _ephIntrComboBox->currentText());
   settings.setValue("rnxSampl",    _rnxSamplSpinBox->value());
   settings.setValue("rnxSkel",     _rnxSkelLineEdit->text());
Index: trunk/BNC/bncwindow.h
===================================================================
--- trunk/BNC/bncwindow.h	(revision 559)
+++ trunk/BNC/bncwindow.h	(revision 560)
@@ -87,4 +87,5 @@
     QLineEdit* _logFileLineEdit;
     QComboBox* _rnxIntrComboBox;
+    QComboBox* _ephIntrComboBox;
     QSpinBox*  _rnxSamplSpinBox;
     QCheckBox* _rnxAppendCheckBox;