diff --git a/plugins/channeltx/modatv/atvmodgui.cpp b/plugins/channeltx/modatv/atvmodgui.cpp
index dc71436b6..58e0eb1d8 100644
--- a/plugins/channeltx/modatv/atvmodgui.cpp
+++ b/plugins/channeltx/modatv/atvmodgui.cpp
@@ -265,8 +265,9 @@ void ATVModGUI::on_modulation_currentIndexChanged(int index)
     {
         ui->rfBW->setMaximum(m_channelizer->getOutputSampleRate() / 200000);
         ui->rfOppBW->setMaximum(m_channelizer->getOutputSampleRate() / 200000);
-        m_channelMarker.setBandwidth(ui->rfBW->value()*200000); // TODO: consider asymmetrical sidebands
-        m_channelMarker.setSidebands(ChannelMarker::usb);
+        m_channelMarker.setBandwidth(ui->rfBW->value()*100000);
+        m_channelMarker.setOppositeBandwidth(ui->rfOppBW->value()*200000);
+        m_channelMarker.setSidebands(ChannelMarker::vlsb);
     }
     else if (index == (int) ATVMod::ATVModulationUSB)
     {
@@ -279,8 +280,9 @@ void ATVModGUI::on_modulation_currentIndexChanged(int index)
     {
         ui->rfBW->setMaximum(m_channelizer->getOutputSampleRate() / 200000);
         ui->rfOppBW->setMaximum(m_channelizer->getOutputSampleRate() / 200000);
-        m_channelMarker.setBandwidth(ui->rfBW->value()*200000); // TODO: consider asymmetrical sidebands
-        m_channelMarker.setSidebands(ChannelMarker::usb);
+        m_channelMarker.setBandwidth(ui->rfBW->value()*100000);
+        m_channelMarker.setOppositeBandwidth(ui->rfOppBW->value()*200000);
+        m_channelMarker.setSidebands(ChannelMarker::vusb);
     }
     else
     {
@@ -297,16 +299,22 @@ void ATVModGUI::on_rfBW_valueChanged(int value)
 {
 	ui->rfBWText->setText(QString("%1 MHz").arg(value / 10.0, 0, 'f', 1));
 
-    if ((ui->modulation->currentIndex() == (int) ATVMod::ATVModulationLSB) ||
-        (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationVestigialLSB))
+    if (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationLSB)
     {
         m_channelMarker.setBandwidth(-ui->rfBW->value()*200000);
     }
-    else if ((ui->modulation->currentIndex() == (int) ATVMod::ATVModulationUSB) ||
-            (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationVestigialUSB))
+    else if (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationUSB)
     {
         m_channelMarker.setBandwidth(ui->rfBW->value()*200000);
     }
+    else if (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationVestigialLSB)
+    {
+        m_channelMarker.setBandwidth(-ui->rfBW->value()*100000);
+    }
+    else if (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationVestigialUSB)
+    {
+        m_channelMarker.setBandwidth(ui->rfBW->value()*100000);
+    }
     else
     {
         m_channelMarker.setBandwidth(ui->rfBW->value()*100000);
@@ -321,11 +329,11 @@ void ATVModGUI::on_rfOppBW_valueChanged(int value)
 
     if (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationVestigialLSB)
     {
-        m_channelMarker.setBandwidth(-ui->rfBW->value()*200000); // TODO
+        m_channelMarker.setOppositeBandwidth(-ui->rfOppBW->value()*200000);
     }
     else if (ui->modulation->currentIndex() == (int) ATVMod::ATVModulationVestigialUSB)
     {
-        m_channelMarker.setBandwidth(ui->rfBW->value()*200000); // TODO
+        m_channelMarker.setOppositeBandwidth(ui->rfOppBW->value()*200000);
     }
     else
     {
diff --git a/sdrbase/dsp/channelmarker.cpp b/sdrbase/dsp/channelmarker.cpp
index a4909cb11..ae18b3c57 100644
--- a/sdrbase/dsp/channelmarker.cpp
+++ b/sdrbase/dsp/channelmarker.cpp
@@ -29,6 +29,7 @@ ChannelMarker::ChannelMarker(QObject* parent) :
 	QObject(parent),
 	m_centerFrequency(0),
 	m_bandwidth(0),
+    m_oppositeBandwidth(0),
 	m_lowCutoff(0),
 	m_sidebands(dsb),
 	m_visible(false),
@@ -59,6 +60,12 @@ void ChannelMarker::setBandwidth(int bandwidth)
 	emit changed();
 }
 
+void ChannelMarker::setOppositeBandwidth(int bandwidth)
+{
+    m_oppositeBandwidth = bandwidth;
+    emit changed();
+}
+
 void ChannelMarker::setLowCutoff(int lowCutoff)
 {
 	m_lowCutoff = lowCutoff;
diff --git a/sdrbase/dsp/channelmarker.h b/sdrbase/dsp/channelmarker.h
index 22ea51bf1..f20fa2522 100644
--- a/sdrbase/dsp/channelmarker.h
+++ b/sdrbase/dsp/channelmarker.h
@@ -13,7 +13,9 @@ public:
 	{
 		dsb,
 		lsb,
-		usb
+		usb,
+		vusb, //!< USB with vestigial LSB
+		vlsb  //!< LSB with vestigial USB
 	} sidebands_t;
 
 	ChannelMarker(QObject* parent = NULL);
@@ -27,6 +29,9 @@ public:
 	void setBandwidth(int bandwidth);
 	int getBandwidth() const { return m_bandwidth; }
 
+    void setOppositeBandwidth(int bandwidth);
+    int getOppositeBandwidth() const { return m_oppositeBandwidth; }
+
 	void setLowCutoff(int lowCutoff);
 	int getLowCutoff() const { return m_lowCutoff; }
 
@@ -52,6 +57,7 @@ protected:
 	QString m_title;
 	int m_centerFrequency;
 	int m_bandwidth;
+    int m_oppositeBandwidth;
 	int m_lowCutoff;
 	sidebands_t m_sidebands;
 	bool m_visible;
diff --git a/sdrbase/gui/glspectrum.cpp b/sdrbase/gui/glspectrum.cpp
index 5d9b14ed0..da2008f65 100644
--- a/sdrbase/gui/glspectrum.cpp
+++ b/sdrbase/gui/glspectrum.cpp
@@ -1269,6 +1269,12 @@ void GLSpectrum::applyChanges()
 		} else if (sidebands == ChannelMarker::lsb) {
 			pw = dv->m_channelMarker->getLowCutoff();
 			nw = dv->m_channelMarker->getBandwidth() / 2;
+		} else if (sidebands == ChannelMarker::vusb) {
+            nw = -dv->m_channelMarker->getOppositeBandwidth() / 2; // negative bandwidth
+            pw = dv->m_channelMarker->getBandwidth(); // positive bandwidth
+        } else if (sidebands == ChannelMarker::vlsb) {
+            pw = dv->m_channelMarker->getOppositeBandwidth() / 2; // positive bandwidth
+            nw = -dv->m_channelMarker->getBandwidth(); // negative bandwidth
 		} else {
 			pw = dsbw / 2;
 			nw = -pw;