diff --git a/mainwindow.ui b/mainwindow.ui
index 6368fc652..03e1f0c3e 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -570,7 +570,7 @@ QLabel[oob="true"] {
         <item row="0" column="3" rowspan="3">
          <widget class="QStackedWidget" name="controls_stack_widget">
           <property name="currentIndex">
-           <number>0</number>
+           <number>1</number>
           </property>
           <widget class="QWidget" name="page">
            <layout class="QHBoxLayout" name="horizontalLayout_8">
@@ -1744,7 +1744,7 @@ list. The list can be maintained in Settings (F2).</string>
                          <number>1400</number>
                         </property>
                         <property name="maximum">
-                         <number>1600</number>
+                         <number>1700</number>
                         </property>
                         <property name="value">
                          <number>1500</number>
diff --git a/plotter.cpp b/plotter.cpp
index b8cbce5cf..14ac09e73 100644
--- a/plotter.cpp
+++ b/plotter.cpp
@@ -414,12 +414,18 @@ void CPlotter::DrawOverlay()                   //DrawOverlay()
   }
 
   painter0.setPen(penGreen);
-  if(m_mode=="WSPR") {                   //### WSPR-15 code needed here, too ###
+  if(m_mode=="WSPR") {
     x1=XfromFreq(1400);
     x2=XfromFreq(1600);
     painter0.drawLine(x1,29,x2,29);
   }
 
+  if(m_mode=="WSPR-LF") {
+    x1=XfromFreq(1600);
+    x2=XfromFreq(1700);
+    painter0.drawLine(x1,29,x2,29);
+  }
+
   if(m_mode=="FreqCal") {                   //FreqCal
     x1=XfromFreq(m_rxFreq-m_tol);
     x2=XfromFreq(m_rxFreq+m_tol);
@@ -466,11 +472,16 @@ void CPlotter::DrawOverlay()                   //DrawOverlay()
     painter0.setPen(penRed);
     x1=XfromFreq(m_txFreq);
     x2=XfromFreq(m_txFreq+bw);
-    if(m_mode=="WSPR") {                  //### WSPR-15 code needed here, too
+    if(m_mode=="WSPR") {
       bw=4*12000.0/8192.0;                  //WSPR
       x1=XfromFreq(m_txFreq-0.5*bw);
       x2=XfromFreq(m_txFreq+0.5*bw);
     }
+    if(m_mode=="WSPR-LF") {
+      bw=3*12000.0/8640.0;                  //WSPR-LF
+      x1=XfromFreq(m_txFreq-0.5*bw);
+      x2=XfromFreq(m_txFreq+0.5*bw);
+    }
     painter0.drawLine(x1,17,x1,21);
     painter0.drawLine(x1,17,x2,17);
     painter0.drawLine(x2,17,x2,21);