diff --git a/sdrbase/dsp/channelmarker.cpp b/sdrbase/dsp/channelmarker.cpp
index 557916b45..8fb0ecd9b 100644
--- a/sdrbase/dsp/channelmarker.cpp
+++ b/sdrbase/dsp/channelmarker.cpp
@@ -38,11 +38,14 @@ ChannelMarker::ChannelMarker(QObject* parent) :
 	m_movable(true),
 	m_udpAddress("127.0.0.1"),
 	m_udpReceivePort(9999),
-	m_udpSendPort(9998)
+	m_udpSendPort(9998),
+	m_fScaleDisplayType(FScaleDisplay_freq)
 {
 	++m_nextColor;
 	if(m_colorTable[m_nextColor] == 0)
 		m_nextColor = 0;
+    m_displayAddressReceive = QString(tr("%1:%2").arg(getUDPAddress()).arg(getUDPSendPort()));
+    m_displayAddressReceive = QString(tr("%1:%2").arg(getUDPAddress()).arg(getUDPReceivePort()));
 }
 
 void ChannelMarker::setTitle(const QString& title)
@@ -102,17 +105,21 @@ void ChannelMarker::setColor(const QColor& color)
 void ChannelMarker::setUDPAddress(const QString& udpAddress)
 {
     m_udpAddress = udpAddress;
+    m_displayAddressReceive = QString(tr("%1:%2").arg(getUDPAddress()).arg(getUDPSendPort()));
+    m_displayAddressReceive = QString(tr("%1:%2").arg(getUDPAddress()).arg(getUDPReceivePort()));
     emit changed();
 }
 
 void ChannelMarker::setUDPReceivePort(quint16 port)
 {
     m_udpReceivePort = port;
+    m_displayAddressReceive = QString(tr("%1:%2").arg(getUDPAddress()).arg(getUDPReceivePort()));
     emit changed();
 }
 
 void ChannelMarker::setUDPSendPort(quint16 port)
 {
     m_udpSendPort = port;
+    m_displayAddressReceive = QString(tr("%1:%2").arg(getUDPAddress()).arg(getUDPSendPort()));
     emit changed();
 }
diff --git a/sdrbase/dsp/channelmarker.h b/sdrbase/dsp/channelmarker.h
index 7b0be334d..b3fcb0fab 100644
--- a/sdrbase/dsp/channelmarker.h
+++ b/sdrbase/dsp/channelmarker.h
@@ -18,6 +18,14 @@ public:
 		vlsb  //!< LSB with vestigial USB
 	} sidebands_t;
 
+	typedef enum frequencyScaleDisplay_e
+	{
+	    FScaleDisplay_freq,
+	    FScaleDisplay_title,
+	    FScaleDisplay_addressSend,
+	    FScaleDisplay_addressReceive,
+	} frequencyScaleDisplay_t;
+
 	ChannelMarker(QObject* parent = NULL);
 
 	void setTitle(const QString& title);
@@ -59,12 +67,19 @@ public:
     void setUDPSendPort(quint16 port);
     quint16 getUDPSendPort() const { return m_udpSendPort; }
 
+    void setFrequencyScaleDisplayType(frequencyScaleDisplay_t type) { m_fScaleDisplayType = type; }
+    frequencyScaleDisplay_t getFrequencyScaleDisplayType() const { return m_fScaleDisplayType; }
+
+    const QString& getDisplayAddressSend() const { return m_displayAddressSend; }
+    const QString& getDisplayAddressReceive() const { return m_displayAddressReceive; }
 
 protected:
 	static QRgb m_colorTable[];
 	static int m_nextColor;
 
 	QString m_title;
+	QString m_displayAddressSend;
+    QString m_displayAddressReceive;
 	int m_centerFrequency;
 	int m_bandwidth;
     int m_oppositeBandwidth;
@@ -77,6 +92,7 @@ protected:
 	QString m_udpAddress;
 	quint16 m_udpReceivePort;
     quint16 m_udpSendPort;
+    frequencyScaleDisplay_t m_fScaleDisplayType;
 
 signals:
 	void changed();
diff --git a/sdrbase/gui/basicchannelsettingsdialog.cpp b/sdrbase/gui/basicchannelsettingsdialog.cpp
index 9741096b5..eb660790e 100644
--- a/sdrbase/gui/basicchannelsettingsdialog.cpp
+++ b/sdrbase/gui/basicchannelsettingsdialog.cpp
@@ -74,5 +74,7 @@ void BasicChannelSettingsDialog::accept()
 
     m_channelMarker->setUDPSendPort(udpPort);
 
+    m_channelMarker->setFrequencyScaleDisplayType((ChannelMarker::frequencyScaleDisplay_t) ui->fScaleDisplayType->currentIndex());
+
     QDialog::accept();
 }
diff --git a/sdrbase/gui/basicchannelsettingsdialog.ui b/sdrbase/gui/basicchannelsettingsdialog.ui
index 1e5f5f524..dba382185 100644
--- a/sdrbase/gui/basicchannelsettingsdialog.ui
+++ b/sdrbase/gui/basicchannelsettingsdialog.ui
@@ -70,6 +70,50 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QLabel" name="fScaleDisplayTypeLabel">
+       <property name="text">
+        <string>FScale</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QComboBox" name="fScaleDisplayType">
+       <item>
+        <property name="text">
+         <string>Freq</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>Title</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>AdSnd</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>AdRcv</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
     </layout>
    </item>
    <item>
diff --git a/sdrbase/gui/glspectrum.cpp b/sdrbase/gui/glspectrum.cpp
index 3f11108c5..57c8145d8 100644
--- a/sdrbase/gui/glspectrum.cpp
+++ b/sdrbase/gui/glspectrum.cpp
@@ -1472,7 +1472,25 @@ void GLSpectrum::applyChanges()
 					int shift;
 					//ChannelMarker::sidebands_t sidebands = dv->m_channelMarker->getSidebands();
 					xc = m_centerFrequency + dv->m_channelMarker->getCenterFrequency(); // marker center frequency
-					QString ftext = QString::number((m_centerFrequency + dv->m_channelMarker->getCenterFrequency())/1e6, 'f', 6);
+					QString ftext;
+					switch (dv->m_channelMarker->getFrequencyScaleDisplayType())
+					{
+					case ChannelMarker::FScaleDisplay_freq:
+	                    ftext = QString::number((m_centerFrequency + dv->m_channelMarker->getCenterFrequency())/1e6, 'f', 6); // TODO
+	                    break;
+                    case ChannelMarker::FScaleDisplay_title:
+                        ftext = dv->m_channelMarker->getTitle();
+                        break;
+                    case ChannelMarker::FScaleDisplay_addressSend:
+                        ftext = dv->m_channelMarker->getDisplayAddressSend();
+                        break;
+                    case ChannelMarker::FScaleDisplay_addressReceive:
+                        ftext = dv->m_channelMarker->getDisplayAddressReceive();
+                        break;
+					default:
+                        ftext = QString::number((m_centerFrequency + dv->m_channelMarker->getCenterFrequency())/1e6, 'f', 6);
+                        break;
+					}
 					if (dv->m_channelMarker->getCenterFrequency() < 0) { // left half of scale
 						ftext = " " + ftext;
 						shift = 0;