diff --git a/sdrgui/channel/channelgui.cpp b/sdrgui/channel/channelgui.cpp
index d7ae3ab46..89f008f96 100644
--- a/sdrgui/channel/channelgui.cpp
+++ b/sdrgui/channel/channelgui.cpp
@@ -91,6 +91,12 @@ ChannelGUI::ChannelGUI(QWidget *parent) :
     m_closeButton->setIcon(closeIcon);
     m_closeButton->setToolTip("Close channel");
 
+    m_duplicateButton = new QPushButton();
+    m_duplicateButton->setFixedSize(20, 20);
+    QIcon m_duplicateIcon(":/duplicate.png");
+    m_duplicateButton->setIcon(m_duplicateIcon);
+    m_duplicateButton->setToolTip("Duplicate channel");
+
     m_statusFrequency = new QLabel();
     // QFont font = m_statusFrequency->font();
     // font.setPointSize(8);
@@ -135,7 +141,8 @@ ChannelGUI::ChannelGUI(QWidget *parent) :
 
     m_bottomLayout = new QHBoxLayout();
     m_bottomLayout->setContentsMargins(0, 0, 0, 0);
-    m_bottomLayout->addWidget(m_statusFrequency );
+    m_bottomLayout->addWidget(m_duplicateButton);
+    m_bottomLayout->addWidget(m_statusFrequency);
     m_bottomLayout->addWidget(m_statusLabel);
     m_sizeGripBottomRight = new QSizeGrip(this);
     m_sizeGripBottomRight->setStyleSheet("QSizeGrip { background-color: rgb(128, 128, 128); width: 10px; height: 10px; }");
@@ -157,6 +164,7 @@ ChannelGUI::ChannelGUI(QWidget *parent) :
     connect(this, SIGNAL(forceShrink()), this, SLOT(shrinkWindow()));
     connect(m_hideButton, SIGNAL(clicked()), this, SLOT(hide()));
     connect(m_closeButton, SIGNAL(clicked()), this, SLOT(close()));
+    connect(m_duplicateButton, SIGNAL(clicked()), this, SLOT(duplicateChannel()));
 
     connect(
         m_rollupContents,
@@ -270,6 +278,12 @@ void ChannelGUI::onWidgetRolled(QWidget *widget, bool show)
     }
 }
 
+void ChannelGUI::duplicateChannel()
+{
+    qDebug("ChannelGUI::duplicateChannel");
+    emit duplicateChannelEmitted();
+}
+
 void ChannelGUI::shrinkWindow()
 {
     qDebug("ChannelGUI::shrinkWindow");
diff --git a/sdrgui/channel/channelgui.h b/sdrgui/channel/channelgui.h
index cc0116fa4..7ab78dc6d 100644
--- a/sdrgui/channel/channelgui.h
+++ b/sdrgui/channel/channelgui.h
@@ -78,7 +78,7 @@ public:
     void setIndex(int index);
     int getIndex() const { return m_channelIndex; }
     void setDeviceSetIndex(int index);
-    int getDeviceSetIndex() const { return m_channelIndex; }
+    int getDeviceSetIndex() const { return m_deviceSetIndex; }
     void setStatusFrequency(qint64 frequency);
     void setStatusText(const QString& text);
 
@@ -113,6 +113,7 @@ private:
     QPushButton *m_shrinkButton;
     QPushButton *m_hideButton;
     QPushButton *m_closeButton;
+    QPushButton *m_duplicateButton;
     QLabel *m_statusFrequency;
     QLabel *m_statusLabel;
     QVBoxLayout *m_layouts;
@@ -130,11 +131,13 @@ private slots:
     void showHelp();
     void openMoveToWorkspaceDialog();
     void onWidgetRolled(QWidget *widget, bool show);
+    void duplicateChannel();
 
 signals:
     void closing();
     void moveToWorkspace(int workspaceIndex);
     void forceShrink();
+    void duplicateChannelEmitted();
 };
 
 #endif // SDRGUI_CHANNEL_CHANNELGUI_H_
diff --git a/sdrgui/device/devicegui.h b/sdrgui/device/devicegui.h
index 595a0a112..aee35e306 100644
--- a/sdrgui/device/devicegui.h
+++ b/sdrgui/device/devicegui.h
@@ -141,7 +141,7 @@ signals:
     void deviceChange(int newDeviceIndex);
     void showSpectrum(int deviceSetIndex);
     void showAllChannels(int deviceSetIndex);
-    void addChannelEmitted(int channelIndex);
+    void addChannelEmitted(int channelPluginIndex);
     void deviceSetPresetsDialogRequested(QPoint, DeviceGUI*);
 };
 
diff --git a/sdrgui/device/deviceuiset.cpp b/sdrgui/device/deviceuiset.cpp
index e04f387ed..1ecd73d63 100644
--- a/sdrgui/device/deviceuiset.cpp
+++ b/sdrgui/device/deviceuiset.cpp
@@ -330,6 +330,12 @@ void DeviceUISet::loadRxChannelSettings(const Preset *preset, PluginAPI *pluginA
                     this,
                     [=](int wsIndexDest){ MainWindow::getInstance()->channelMove(rxChannelGUI, wsIndexDest); }
                 );
+                QObject::connect(
+                    rxChannelGUI,
+                    &ChannelGUI::duplicateChannelEmitted,
+                    this,
+                    [=](){ MainWindow::getInstance()->channelDuplicate(rxChannelGUI); }
+                );
             }
         }
     }
@@ -444,6 +450,12 @@ void DeviceUISet::loadTxChannelSettings(const Preset *preset, PluginAPI *pluginA
                     this,
                     [=](int wsIndexDest){ MainWindow::getInstance()->channelMove(txChannelGUI, wsIndexDest); }
                 );
+                QObject::connect(
+                    txChannelGUI,
+                    &ChannelGUI::duplicateChannelEmitted,
+                    this,
+                    [=](){ MainWindow::getInstance()->channelDuplicate(txChannelGUI); }
+                );
             }
         }
     }
@@ -560,6 +572,12 @@ void DeviceUISet::loadMIMOChannelSettings(const Preset *preset, PluginAPI *plugi
                     this,
                     [=](int wsIndexDest){ MainWindow::getInstance()->channelMove(mimoChannelGUI, wsIndexDest); }
                 );
+                QObject::connect(
+                    mimoChannelGUI,
+                    &ChannelGUI::duplicateChannelEmitted,
+                    this,
+                    [=](){ MainWindow::getInstance()->channelDuplicate(mimoChannelGUI); }
+                );
             }
         }
     }
diff --git a/sdrgui/gui/channeladddialog.h b/sdrgui/gui/channeladddialog.h
index 6959f1bbe..f0a8fefaa 100644
--- a/sdrgui/gui/channeladddialog.h
+++ b/sdrgui/gui/channeladddialog.h
@@ -48,7 +48,7 @@ private slots:
     void apply(QAbstractButton*);
 
 signals:
-    void addChannel(int);
+    void addChannel(int channelPluginIndex);
 };
 
 #endif /* SDRGUI_GUI_CHANNELADDDIALOG_H_ */
diff --git a/sdrgui/mainwindow.cpp b/sdrgui/mainwindow.cpp
index 89e298a3d..66963e309 100644
--- a/sdrgui/mainwindow.cpp
+++ b/sdrgui/mainwindow.cpp
@@ -316,7 +316,7 @@ void MainWindow::sampleSourceAdd(Workspace *deviceWorkspace, Workspace *spectrum
         m_deviceUIs.back()->m_deviceGUI,
         &DeviceGUI::addChannelEmitted,
         this,
-        [=](int channelIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelIndex); }
+        [=](int channelPluginIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelPluginIndex); }
     );
 
     deviceWorkspace->addToMdiArea(m_deviceUIs.back()->m_deviceGUI);
@@ -531,7 +531,7 @@ void MainWindow::sampleSinkAdd(Workspace *deviceWorkspace, Workspace *spectrumWo
         m_deviceUIs.back()->m_deviceGUI,
         &DeviceGUI::addChannelEmitted,
         this,
-        [=](int channelIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelIndex); }
+        [=](int channelPluginIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelPluginIndex); }
     );
 
     deviceWorkspace->addToMdiArea(m_deviceUIs.back()->m_deviceGUI);
@@ -754,7 +754,7 @@ void MainWindow::sampleMIMOAdd(Workspace *deviceWorkspace, Workspace *spectrumWo
         m_deviceUIs.back()->m_deviceGUI,
         &DeviceGUI::addChannelEmitted,
         this,
-        [=](int channelIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelIndex); }
+        [=](int channelPluginIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelPluginIndex); }
     );
 
     deviceWorkspace->addToMdiArea(m_deviceUIs.back()->m_deviceGUI);
@@ -2059,7 +2059,7 @@ void MainWindow::sampleSourceChange(int deviceSetIndex, int newDeviceIndex, Work
             deviceUISet->m_deviceGUI,
             &DeviceGUI::addChannelEmitted,
             this,
-            [=](int channelIndex){ this->channelAddClicked(workspace, deviceSetIndex, channelIndex); }
+            [=](int channelPluginIndex){ this->channelAddClicked(workspace, deviceSetIndex, channelPluginIndex); }
         );
     }
 }
@@ -2088,7 +2088,7 @@ void MainWindow::sampleSinkChange(int deviceSetIndex, int newDeviceIndex, Worksp
             deviceUISet->m_deviceGUI,
             &DeviceGUI::addChannelEmitted,
             this,
-            [=](int channelIndex){ this->channelAddClicked(workspace, deviceSetIndex, channelIndex); }
+            [=](int channelPluginIndex){ this->channelAddClicked(workspace, deviceSetIndex, channelPluginIndex); }
         );
     }
 }
@@ -2116,14 +2116,189 @@ void MainWindow::sampleMIMOChange(int deviceSetIndex, int newDeviceIndex, Worksp
             deviceUISet->m_deviceGUI,
             &DeviceGUI::addChannelEmitted,
             this,
-            [=](int channelIndex){ this->channelAddClicked(workspace, deviceSetIndex, channelIndex); }
+            [=](int channelPluginIndex){ this->channelAddClicked(workspace, deviceSetIndex, channelPluginIndex); }
         );
     }
 }
 
-void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int channelIndex)
+void MainWindow::channelDuplicate(ChannelGUI *sourceChannelGUI)
 {
-    if (deviceSetIndex >= 0)
+    int deviceSetIndex = sourceChannelGUI->getDeviceSetIndex();
+    int channelIndex = sourceChannelGUI->getIndex();
+
+    qDebug("MainWindow::channelDuplicate: %s at %d:%d in workspace %d",
+        qPrintable(sourceChannelGUI->getTitle()), deviceSetIndex, channelIndex, sourceChannelGUI->getWorkspaceIndex());
+
+    if (deviceSetIndex < (int) m_deviceUIs.size())
+    {
+        DeviceUISet *deviceUI = m_deviceUIs[deviceSetIndex];
+        ChannelAPI *sourceChannelAPI = deviceUI->getChannelAt(channelIndex);
+        DeviceAPI *deviceAPI = deviceUI->m_deviceAPI;
+        ChannelGUI *gui = nullptr;
+
+        if (deviceUI->m_deviceSourceEngine) // source device => Rx channels
+        {
+            PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getRxChannelRegistrations();
+            PluginInterface *pluginInterface = nullptr;
+
+            for (const auto& channelRegistration : *channelRegistrations)
+            {
+                if (channelRegistration.m_channelIdURI == sourceChannelAPI->getURI())
+                {
+                    pluginInterface = channelRegistration.m_plugin;
+                    break;
+                }
+            }
+
+            if (pluginInterface)
+            {
+                ChannelAPI *channelAPI;
+                BasebandSampleSink *rxChannel;
+                pluginInterface->createRxChannel(deviceUI->m_deviceAPI, &rxChannel, &channelAPI);
+                gui = pluginInterface->createRxChannelGUI(deviceUI, rxChannel);
+                deviceUI->registerRxChannelInstance(channelAPI, gui);
+                gui->setDeviceType(ChannelGUI::DeviceRx);
+                gui->setIndex(channelAPI->getIndexInDeviceSet());
+                QByteArray b = sourceChannelGUI->serialize();
+                gui->deserialize(b);
+            }
+        }
+        else if (deviceUI->m_deviceSinkEngine) // sink device => Tx channels
+        {
+            PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getTxChannelRegistrations(); // Available channel plugins
+            PluginInterface *pluginInterface = nullptr;
+
+            for (const auto& channelRegistration : *channelRegistrations)
+            {
+                if (channelRegistration.m_channelIdURI == sourceChannelAPI->getURI())
+                {
+                    pluginInterface = channelRegistration.m_plugin;
+                    break;
+                }
+            }
+
+            if (pluginInterface)
+            {
+                ChannelAPI *channelAPI;
+                BasebandSampleSource *txChannel;
+                pluginInterface->createTxChannel(deviceUI->m_deviceAPI, &txChannel, &channelAPI);
+                gui = pluginInterface->createTxChannelGUI(deviceUI, txChannel);
+                deviceUI->registerTxChannelInstance(channelAPI, gui);
+                gui->setDeviceType(ChannelGUI::DeviceTx);
+                gui->setIndex(channelAPI->getIndexInDeviceSet());
+                QByteArray b = sourceChannelGUI->serialize();
+                gui->deserialize(b);
+            }
+        }
+        else if (deviceUI->m_deviceMIMOEngine) // MIMO device => Any type of channel is possible
+        {
+            PluginAPI::ChannelRegistrations *rxChannelRegistrations = m_pluginManager->getRxChannelRegistrations();
+            PluginAPI::ChannelRegistrations *txChannelRegistrations = m_pluginManager->getTxChannelRegistrations();
+            PluginAPI::ChannelRegistrations *mimoChannelRegistrations = m_pluginManager->getMIMOChannelRegistrations();
+            PluginInterface *pluginInterface = nullptr;
+
+            for (const auto& channelRegistration : *rxChannelRegistrations)
+            {
+                if (channelRegistration.m_channelIdURI == sourceChannelAPI->getURI())
+                {
+                    pluginInterface = channelRegistration.m_plugin;
+                    break;
+                }
+            }
+
+            if (pluginInterface) // Rx channel
+            {
+                ChannelAPI *channelAPI;
+                BasebandSampleSink *rxChannel;
+                pluginInterface->createRxChannel(deviceUI->m_deviceAPI, &rxChannel, &channelAPI);
+                gui = pluginInterface->createRxChannelGUI(deviceUI, rxChannel);
+                deviceUI->registerRxChannelInstance(channelAPI, gui);
+                gui->setDeviceType(ChannelGUI::DeviceMIMO);
+                gui->setIndex(channelAPI->getIndexInDeviceSet());
+                QByteArray b = sourceChannelGUI->serialize();
+                gui->deserialize(b);
+            }
+            else
+            {
+                for (const auto& channelRegistration : *txChannelRegistrations)
+                {
+                    if (channelRegistration.m_channelIdURI == sourceChannelAPI->getURI())
+                    {
+                        pluginInterface = channelRegistration.m_plugin;
+                        break;
+                    }
+                }
+
+                if (pluginInterface) // Tx channel
+                {
+                    ChannelAPI *channelAPI;
+                    BasebandSampleSource *txChannel;
+                    pluginInterface->createTxChannel(deviceUI->m_deviceAPI, &txChannel, &channelAPI);
+                    gui = pluginInterface->createTxChannelGUI(deviceUI, txChannel);
+                    deviceUI->registerTxChannelInstance(channelAPI, gui);
+                    gui->setDeviceType(ChannelGUI::DeviceMIMO);
+                    gui->setIndex(channelAPI->getIndexInDeviceSet());
+                    QByteArray b = sourceChannelGUI->serialize();
+                    gui->deserialize(b);
+                }
+                else
+                {
+                    for (const auto& channelRegistration : *mimoChannelRegistrations)
+                    {
+                        if (channelRegistration.m_channelIdURI == sourceChannelAPI->getURI())
+                        {
+                            pluginInterface = channelRegistration.m_plugin;
+                            break;
+                        }
+                    }
+
+                    if (pluginInterface)
+                    {
+                        ChannelAPI *channelAPI;
+                        MIMOChannel *mimoChannel;
+                        pluginInterface->createMIMOChannel(deviceUI->m_deviceAPI, &mimoChannel, &channelAPI);
+                        gui = pluginInterface->createMIMOChannelGUI(deviceUI, mimoChannel);
+                        deviceUI->registerChannelInstance(channelAPI, gui);
+                        gui->setDeviceType(ChannelGUI::DeviceMIMO);
+                        gui->setIndex(channelAPI->getIndexInDeviceSet());
+                        QByteArray b = sourceChannelGUI->serialize();
+                        gui->deserialize(b);
+                    }
+                }
+            }
+        }
+
+        int workspaceIndex = sourceChannelGUI->getWorkspaceIndex();
+        Workspace *workspace = workspaceIndex < m_workspaces.size() ? m_workspaces[sourceChannelGUI->getWorkspaceIndex()] : nullptr;
+
+        if (gui && workspace)
+        {
+            QObject::connect(
+                gui,
+                &ChannelGUI::moveToWorkspace,
+                this,
+                [=](int wsIndexDest){ this->channelMove(gui, wsIndexDest); }
+            );
+            QObject::connect(
+                gui,
+                &ChannelGUI::duplicateChannelEmitted,
+                this,
+                [=](){ this->channelDuplicate(gui); }
+            );
+
+            gui->setDeviceSetIndex(deviceSetIndex);
+            gui->setToolTip(deviceAPI->getSamplingDeviceDisplayName());
+            gui->setWorkspaceIndex(workspace->getIndex());
+            qDebug("MainWindow::channelDuplicate: adding %s to workspace #%d",
+                qPrintable(gui->getTitle()), workspace->getIndex());
+            workspace->addToMdiArea((QMdiSubWindow*) gui);
+        }
+    }
+}
+
+void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int channelPluginIndex)
+{
+    if (deviceSetIndex < (int) m_deviceUIs.size())
     {
         DeviceUISet *deviceUI = m_deviceUIs[deviceSetIndex];
         ChannelGUI *gui = nullptr;
@@ -2132,7 +2307,7 @@ void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int
         if (deviceUI->m_deviceSourceEngine) // source device => Rx channels
         {
             PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getRxChannelRegistrations(); // Available channel plugins
-            PluginInterface *pluginInterface = (*channelRegistrations)[channelIndex].m_plugin;
+            PluginInterface *pluginInterface = (*channelRegistrations)[channelPluginIndex].m_plugin;
             ChannelAPI *channelAPI;
             BasebandSampleSink *rxChannel;
             pluginInterface->createRxChannel(deviceUI->m_deviceAPI, &rxChannel, &channelAPI);
@@ -2144,7 +2319,7 @@ void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int
         else if (deviceUI->m_deviceSinkEngine) // sink device => Tx channels
         {
             PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getTxChannelRegistrations(); // Available channel plugins
-            PluginInterface *pluginInterface = (*channelRegistrations)[channelIndex].m_plugin;
+            PluginInterface *pluginInterface = (*channelRegistrations)[channelPluginIndex].m_plugin;
             ChannelAPI *channelAPI;
             BasebandSampleSource *txChannel;
             pluginInterface->createTxChannel(deviceUI->m_deviceAPI, &txChannel, &channelAPI);
@@ -2159,12 +2334,12 @@ void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int
             int nbRxChannels = deviceUI->getNumberOfAvailableRxChannels();
             int nbTxChannels = deviceUI->getNumberOfAvailableTxChannels();
             qDebug("MainWindow::channelAddClicked: MIMO: dev %d : nbMIMO: %d nbRx: %d nbTx: %d selected: %d",
-                deviceSetIndex, nbMIMOChannels, nbRxChannels, nbTxChannels, channelIndex);
+                deviceSetIndex, nbMIMOChannels, nbRxChannels, nbTxChannels, channelPluginIndex);
 
-            if (channelIndex < nbMIMOChannels)
+            if (channelPluginIndex < nbMIMOChannels)
             {
                 PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getMIMOChannelRegistrations(); // Available channel plugins
-                PluginInterface *pluginInterface = (*channelRegistrations)[channelIndex].m_plugin;
+                PluginInterface *pluginInterface = (*channelRegistrations)[channelPluginIndex].m_plugin;
                 ChannelAPI *channelAPI;
                 MIMOChannel *mimoChannel;
                 pluginInterface->createMIMOChannel(deviceUI->m_deviceAPI, &mimoChannel, &channelAPI);
@@ -2172,10 +2347,10 @@ void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int
                 deviceUI->registerChannelInstance(channelAPI, gui);
                 gui->setIndex(channelAPI->getIndexInDeviceSet());
             }
-            else if (channelIndex < nbMIMOChannels + nbRxChannels) // Rx
+            else if (channelPluginIndex < nbMIMOChannels + nbRxChannels) // Rx
             {
                 PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getRxChannelRegistrations(); // Available channel plugins
-                PluginInterface *pluginInterface = (*channelRegistrations)[channelIndex - nbMIMOChannels].m_plugin;
+                PluginInterface *pluginInterface = (*channelRegistrations)[channelPluginIndex - nbMIMOChannels].m_plugin;
                 ChannelAPI *channelAPI;
                 BasebandSampleSink *rxChannel;
                 pluginInterface->createRxChannel(deviceUI->m_deviceAPI, &rxChannel, &channelAPI);
@@ -2183,10 +2358,10 @@ void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int
                 deviceUI->registerRxChannelInstance(channelAPI, gui);
                 gui->setIndex(channelAPI->getIndexInDeviceSet());
             }
-            else if (channelIndex < nbMIMOChannels + nbRxChannels + nbTxChannels)
+            else if (channelPluginIndex < nbMIMOChannels + nbRxChannels + nbTxChannels)
             {
                 PluginAPI::ChannelRegistrations *channelRegistrations = m_pluginManager->getTxChannelRegistrations(); // Available channel plugins
-                PluginInterface *pluginInterface = (*channelRegistrations)[channelIndex - nbMIMOChannels - nbRxChannels].m_plugin;
+                PluginInterface *pluginInterface = (*channelRegistrations)[channelPluginIndex - nbMIMOChannels - nbRxChannels].m_plugin;
                 ChannelAPI *channelAPI;
                 BasebandSampleSource *txChannel;
                 pluginInterface->createTxChannel(deviceUI->m_deviceAPI, &txChannel, &channelAPI);
@@ -2206,6 +2381,12 @@ void MainWindow::channelAddClicked(Workspace *workspace, int deviceSetIndex, int
                 this,
                 [=](int wsIndexDest){ this->channelMove(gui, wsIndexDest); }
             );
+            QObject::connect(
+                gui,
+                &ChannelGUI::duplicateChannelEmitted,
+                this,
+                [=](){ this->channelDuplicate(gui); }
+            );
 
             gui->setDeviceSetIndex(deviceSetIndex);
             gui->setToolTip(deviceAPI->getSamplingDeviceDisplayName());
diff --git a/sdrgui/mainwindow.h b/sdrgui/mainwindow.h
index d3b407054..adf825bc3 100644
--- a/sdrgui/mainwindow.h
+++ b/sdrgui/mainwindow.h
@@ -82,6 +82,7 @@ public:
 
 public slots:
     void channelMove(ChannelGUI *gui, int wsIndexDestnation);
+    void channelDuplicate(ChannelGUI *gui);
 
 private:
     enum {
@@ -198,7 +199,7 @@ private slots:
 	void sampleSinkAdd(Workspace *workspace, Workspace *spectrumWorkspace, int deviceIndex);
 	void sampleMIMOAdd(Workspace *workspace, Workspace *spectrumWorkspace, int deviceIndex);
     void samplingDeviceChangeHandler(DeviceGUI *deviceGUI, int newDeviceIndex);
-    void channelAddClicked(Workspace *workspace, int deviceSetIndex, int channelIndex);
+    void channelAddClicked(Workspace *workspace, int deviceSetIndex, int channelPluginIndex);
     void featureAddClicked(Workspace *workspace, int featureIndex);
     void featureMove(FeatureGUI *gui, int wsIndexDestnation);
     void openFeaturePresetsDialog(QPoint p, Workspace *workspace);