Index: trunk/BNC/src/bnchelp.html
===================================================================
--- trunk/BNC/src/bnchelp.html	(revision 10101)
+++ trunk/BNC/src/bnchelp.html	(revision 10102)
@@ -2384,5 +2384,5 @@
 <p><h4 id="sp3log">2.7.3 Logfile - mandatory if 'Input SP3 Files' is set</h4></p>
 <p>
-Specify a logfile name to save results of the SP3 file comparison.
+Specify a logfile name to save results of the SP3 file comparison. BNC provides an option 'Summary only' to limit logfile content to 'Summary' information only.
 </p>
 <p>
@@ -6065,4 +6065,5 @@
    sp3CompExclude    {Satellite exclusion list [character string, comma separated list in quotation marks, example: G04,G31,R]}
    sp3CompOutLogFile {Output logfile, full path [character string]}
+   sp3SummaryOnly    {Output only summary of logfile [integer number: 0=no,2=yes]}
 
 Broadcast Corrections Panel keys:
Index: trunk/BNC/src/bncmain.cpp
===================================================================
--- trunk/BNC/src/bncmain.cpp	(revision 10101)
+++ trunk/BNC/src/bncmain.cpp	(revision 10102)
@@ -182,7 +182,8 @@
       "\n"
       "SP3 Comparison Panel keys:\n"
-      "   sp3CompFile       {SP3 input files, full path [character string, comma separated list in quotation marks]}\n"
-      "   sp3CompExclude    {Satellite exclusion list [character string, comma separated list in quotation marks, example: G04,G31,R]}\n"
-      "   sp3CompOutLogFile {Output logfile, full path [character string]}\n"
+      "   sp3CompFile        {SP3 input files, full path [character string, comma separated list in quotation marks]}\n"
+      "   sp3CompExclude     {Satellite exclusion list [character string, comma separated list in quotation marks, example: G04,G31,R]}\n"
+      "   sp3CompOutLogFile  {Output logfile, full path [character string]}\n"
+      "   sp3CompSummaryOnly {Output only summary of logfile [integer number: 0=no,2=yes]}\n"
       "\n"
       "Broadcast Corrections Panel keys:\n"
Index: trunk/BNC/src/bncsettings.cpp
===================================================================
--- trunk/BNC/src/bncsettings.cpp	(revision 10101)
+++ trunk/BNC/src/bncsettings.cpp	(revision 10102)
@@ -133,4 +133,5 @@
     setValue_p("sp3CompExclude",      "");
     setValue_p("sp3CompOutLogFile",   "");
+    setValue_p("sp3SummaryOnly",      "");
     // Braodcast Corrections
     setValue_p("corrPath",            "");
Index: trunk/BNC/src/bncwindow.cpp
===================================================================
--- trunk/BNC/src/bncwindow.cpp	(revision 10101)
+++ trunk/BNC/src/bncwindow.cpp	(revision 10102)
@@ -1240,4 +1240,7 @@
   _sp3CompLogLineEdit->setMaximumWidth(18*ww);
 
+  _sp3CompSummaryOnly = new QCheckBox();
+  _sp3CompSummaryOnly->setCheckState(Qt::CheckState(settings.value("sp3CompSummaryOnly").toInt()));
+
   ir = 0;
   sp3CompLayout->addWidget(new QLabel("Orbit and clock comparison.<br>"),  ir, 0, 1, 40);
@@ -1251,4 +1254,7 @@
   sp3CompLayout->addWidget(new QLabel("Logfile"),                      ir, 0, Qt::AlignLeft);
   sp3CompLayout->addWidget(_sp3CompLogLineEdit,                        ir, 1, Qt::AlignRight);
+  ++ir;
+  sp3CompLayout->addWidget(new QLabel("Summary only"),                 ir, 0);
+  sp3CompLayout->addWidget(_sp3CompSummaryOnly,                        ir, 1);
   ++ir;
   sp3CompLayout->addWidget(new QLabel(""),                             ir, 1);
@@ -1423,4 +1429,5 @@
   _sp3CompExclude->setWhatsThis(tr("<p>Specify satellites to exclude them from orbit and clock comparison. Example:<p>G04,G31,R</p><p>This excludes GPS satellites PRN 4 and 31 as well as all GLONASS satellites from the comparison.</p><p>Default is an empty option field, meaning that no satellite is excluded from the comparison. <i>[key: sp3CompExclude]</i></p>"));
   _sp3CompLogLineEdit->setWhatsThis(tr("<p>Specify the full path to a logfile saving comparison results.</p><p>Specifying a logfile is mandatory. Comparing SP3 files and not saving comparison results on disk would be useless. <i>[key: sp3CompOutLogFile]</i></p>"));
+  _sp3CompSummaryOnly->setWhatsThis(tr("<p>By default BNC produces a detailed 'Logfile' providing all information resulting from comparing SP3 files. If that is too much information, you can limit the logfile content to a short summary.</p><p>Tick 'Summary only' to suppress full logfile output and instead produce a logfile containing only summary information. <i>[key: sp3CompSummaryOnly]</i></p>"));
 
   // WhatsThis, Broadcast Corrections
@@ -1685,4 +1692,5 @@
   delete _sp3CompExclude;
   delete _sp3CompLogLineEdit;
+  delete _sp3CompSummaryOnly;
   //delete _canvas;
 }
@@ -2134,4 +2142,5 @@
   settings.setValue("sp3CompExclude",    _sp3CompExclude->text());
   settings.setValue("sp3CompOutLogFile", _sp3CompLogLineEdit->text());
+  settings.setValue("sp3CompSummaryOnly",_sp3CompSummaryOnly->checkState());
 // Combine Corrections
   if (!cmbStreams.isEmpty()) {
@@ -2747,4 +2756,5 @@
     enableWidget(enable, _sp3CompLogLineEdit);
     enableWidget(enable, _sp3CompExclude);
+    enableWidget(enable, _sp3CompSummaryOnly);
   }
 
Index: trunk/BNC/src/bncwindow.h
===================================================================
--- trunk/BNC/src/bncwindow.h	(revision 10101)
+++ trunk/BNC/src/bncwindow.h	(revision 10102)
@@ -163,4 +163,5 @@
     QLineEdit*     _sp3CompExclude;
     QLineEdit*     _sp3CompLogLineEdit;
+    QCheckBox*     _sp3CompSummaryOnly;
 
     QComboBox* _rnxVersComboBox;