Index: trunk/BNS/bns.cpp
===================================================================
--- trunk/BNS/bns.cpp	(revision 1680)
+++ trunk/BNS/bns.cpp	(revision 1682)
@@ -386,4 +386,6 @@
     ////
     //// Falls Clocks aus den Broadcast Ephemeris gewuenscht:
+    //// (2nd order relativistic effect taken out for
+    //// compatibility with IGS products?)
     ////
     //// if ( Qt::CheckState(settings.value("beClocks1 oder beClocks2").toInt()) == Qt::Checked) {
Index: trunk/BNS/bnswindow.cpp
===================================================================
--- trunk/BNS/bnswindow.cpp	(revision 1680)
+++ trunk/BNS/bnswindow.cpp	(revision 1682)
@@ -169,5 +169,5 @@
 
 
-  // Ephemeris Corrections I Options
+  // Broadcast Corrections I Options
   // -------------------------------
   _outHost_1_LineEdit    = new QLineEdit(settings.value("outHost1").toString());
@@ -187,5 +187,5 @@
   _beClocks1CheckBox->setCheckState(Qt::CheckState(settings.value("beClocks1").toInt()));
 
-  // Ephemeris Corrections II Options
+  // Broadcast Corrections II Options
   // --------------------------------
   _outHost_2_LineEdit    = new QLineEdit(settings.value("outHost2").toString());
@@ -271,6 +271,6 @@
   _sp3SamplSpinBox->setWhatsThis(tr("Select the SP3 orbit file sampling interval in seconds. A value of zero '0' tells BNS to store all available samples into SP3 orbit files."));
   _autoStartCheckBox->setWhatsThis(tr("<p>Tick 'Auto start' for auto-start of BNS at startup time in window mode with preassigned processing options.</p>"));
-  _beClocks1CheckBox->setWhatsThis(tr("<p>Send broadcast clocks instead of broadcast clock corrections and ignore the incoming clock estimates.</p>"));
-  _beClocks2CheckBox->setWhatsThis(tr("<p>Send broadcast clocks instead of broadcast clock corrections and ignore the incoming clock estimates.</p>"));
+  _beClocks1CheckBox->setWhatsThis(tr("<p>Ignore incoming clock estimates and send broadcast clocks instead of broadcast clock corrections.</p><p>Note that for compatibility with IGS post processing products these clocks are reduced for the 2nd order relativistic effect.</p>"));
+  _beClocks2CheckBox->setWhatsThis(tr("<p>Ignore incoming clock estimates and send broadcast clocks instead of broadcast clock corrections.</p><p>Note that for compatibility with IGS post processing products these clocks are reduced for the 2nd order relativistic effect.</p>"));
 
 
@@ -365,8 +365,8 @@
   tab_co->setLayout(layout_co);
 
-  // Ephemeris Corrections I Tab
+  // Broadcast Corrections I Tab
   // ---------------------------
   QWidget* tab_cas1 = new QWidget();
-  tabs->addTab(tab_cas1, "Ephemeris Corrections I");
+  tabs->addTab(tab_cas1, "Broadcast Corrections I");
 
   QGridLayout* layout_cas1 = new QGridLayout;
@@ -416,8 +416,8 @@
   }
 
-  // Ephemeris Corrections II Tab
+  // Broadcast Corrections II Tab
   // ----------------------------
   QWidget* tab_cas2 = new QWidget();
-  tabs->addTab(tab_cas2, "Ephemeris Corrections II");
+  tabs->addTab(tab_cas2, "Broadcast Corrections II");
 
   QGridLayout* layout_cas2 = new QGridLayout;
@@ -545,6 +545,6 @@
   _statusLbl[7] = new QLabel("RINEX Ephemeris:");  
   _statusLbl[4] = new QLabel("Clocks & Orbits:");
-  _statusLbl[5] = new QLabel("Ephemeris Corrections I:");  
-  _statusLbl[6] = new QLabel("Ephemeris Corrections II:");  
+  _statusLbl[5] = new QLabel("Broadcast Corrections I:");  
+  _statusLbl[6] = new QLabel("Broadcast Corrections II:");  
   _statusLbl[3] = new QLabel("0 byte(s)"); _statusCnt[3] = 0;
 
@@ -832,5 +832,5 @@
   }
 
-  // Enable/disable  Ephemeris Corrections I Options
+  // Enable/disable  Broadcast Corrections I Options
   // -----------------------------------------------
   if (tabs->currentIndex() == 4) {
@@ -866,5 +866,5 @@
   }
 
-  // Enable/disable Ephemeris Corrections II Options
+  // Enable/disable Broadcast Corrections II Options
   // -----------------------------------------------
   if (tabs->currentIndex() == 5) {