diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4f5be4d4d..7589e203c 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -2153,6 +2153,10 @@ void MainWindow::on_actionRelease_Notes_triggered ()
   QDesktopServices::openUrl (QUrl {"http://physics.princeton.edu/pulsar/k1jt/Release_Notes.txt"});
 }
 
+void MainWindow::on_actionFT8_DXpedition_Mode_User_Guide_triggered()
+{
+  QDesktopServices::openUrl (QUrl {"http://physics.princeton.edu/pulsar/k1jt/FT8_DXpedition_Mode.pdf"});
+}
 void MainWindow::on_actionOnline_User_Guide_triggered()      //Display manual
 {
 #if defined (CMAKE_BUILD)
diff --git a/mainwindow.h b/mainwindow.h
index 5fd2ea9a2..601f4a80e 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -138,6 +138,7 @@ private slots:
   void on_stopTxButton_clicked();
   void on_stopButton_clicked();
   void on_actionRelease_Notes_triggered ();
+  void on_actionFT8_DXpedition_Mode_User_Guide_triggered();
   void on_actionOnline_User_Guide_triggered();
   void on_actionLocal_User_Guide_triggered();
   void on_actionWide_Waterfall_triggered();
diff --git a/mainwindow.ui b/mainwindow.ui
index 17fee112a..fc00a7be2 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -2686,6 +2686,7 @@ QPushButton[state="ok"] {
     <addaction name="actionRelease_Notes"/>
     <addaction name="actionOnline_User_Guide"/>
     <addaction name="actionLocal_User_Guide"/>
+    <addaction name="actionFT8_DXpedition_Mode_User_Guide"/>
     <addaction name="download_samples_action"/>
     <addaction name="separator"/>
     <addaction name="actionKeyboard_shortcuts"/>
@@ -3305,6 +3306,11 @@ QPushButton[state=&quot;ok&quot;] {
     <string>Erase FoxQSO.txt</string>
    </property>
   </action>
+  <action name="actionFT8_DXpedition_Mode_User_Guide">
+   <property name="text">
+    <string>FT8 DXpedition Mode User Guide</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>