diff --git a/plugins/channeltx/modatv/atvmod.cpp b/plugins/channeltx/modatv/atvmod.cpp
index b5b5f4bb4..c39789cae 100644
--- a/plugins/channeltx/modatv/atvmod.cpp
+++ b/plugins/channeltx/modatv/atvmod.cpp
@@ -20,6 +20,9 @@
 #include "opencv2/imgproc/imgproc.hpp"
 
 #include "dsp/upchannelizer.h"
+#include "dsp/threadedbasebandsamplesource.h"
+#include "device/devicesinkapi.h"
+
 #include "atvmod.h"
 
 MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureATVMod, Message)
@@ -44,7 +47,8 @@ const int ATVMod::m_nbBars = 6;
 const int ATVMod::m_cameraFPSTestNbFrames = 100;
 const int ATVMod::m_ssbFftLen = 1024;
 
-ATVMod::ATVMod() :
+ATVMod::ATVMod(DeviceSinkAPI *deviceAPI) :
+    m_deviceAPI(deviceAPI),
 	m_modPhasor(0.0f),
     m_tvSampleRate(1000000),
     m_evenImage(true),
@@ -70,6 +74,10 @@ ATVMod::ATVMod() :
     setObjectName("ATVMod");
     scanCameras();
 
+    m_channelizer = new UpChannelizer(this);
+    m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
+    m_deviceAPI->addThreadedSource(m_threadedChannelizer);
+
     m_SSBFilter = new fftfilt(0, m_settings.m_rfBandwidth / m_settings.m_outputSampleRate, m_ssbFftLen);
     m_SSBFilterBuffer = new Complex[m_ssbFftLen>>1]; // filter returns data exactly half of its size
     memset(m_SSBFilterBuffer, 0, sizeof(Complex)*(m_ssbFftLen>>1));
@@ -90,6 +98,9 @@ ATVMod::~ATVMod()
 {
 	if (m_video.isOpened()) m_video.release();
 	releaseCameras();
+    m_deviceAPI->removeThreadedSource(m_threadedChannelizer);
+    delete m_threadedChannelizer;
+    delete m_channelizer;
 }
 
 void ATVMod::pullAudio(int nbSamples __attribute__((unused)))
@@ -495,6 +506,19 @@ bool ATVMod::handleMessage(const Message& cmd)
 
         return true;
     }
+    else if (MsgConfigureChannelizer::match(cmd))
+    {
+        MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
+
+        m_channelizer->configure(m_channelizer->getInputMessageQueue(),
+                m_channelizer->getOutputSampleRate(),
+                cfg.getCenterFrequency());
+
+        qDebug() << "SSBMod::handleMessage: MsgConfigureChannelizer: sampleRate: " << m_channelizer->getOutputSampleRate()
+                << " centerFrequency: " << cfg.getCenterFrequency();
+
+        return true;
+    }
     else if (MsgConfigureATVMod::match(cmd))
     {
         MsgConfigureATVMod& cfg = (MsgConfigureATVMod&) cmd;
diff --git a/plugins/channeltx/modatv/atvmod.h b/plugins/channeltx/modatv/atvmod.h
index 3128af530..153717f9f 100644
--- a/plugins/channeltx/modatv/atvmod.h
+++ b/plugins/channeltx/modatv/atvmod.h
@@ -36,6 +36,10 @@
 
 #include "atvmodsettings.h"
 
+class DeviceSinkAPI;
+class ThreadedBasebandSampleSource;
+class UpChannelizer;
+
 class ATVMod : public BasebandSampleSource {
     Q_OBJECT
 
@@ -67,21 +71,18 @@ public:
         MESSAGE_CLASS_DECLARATION
 
     public:
-        int getSampleRate() const { return m_sampleRate; }
         int getCenterFrequency() const { return m_centerFrequency; }
 
-        static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
+        static MsgConfigureChannelizer* create(int centerFrequency)
         {
-            return new MsgConfigureChannelizer(sampleRate, centerFrequency);
+            return new MsgConfigureChannelizer(centerFrequency);
         }
 
     private:
-        int m_sampleRate;
         int  m_centerFrequency;
 
-        MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
+        MsgConfigureChannelizer(int centerFrequency) :
             Message(),
-            m_sampleRate(sampleRate),
             m_centerFrequency(centerFrequency)
         { }
     };
@@ -390,7 +391,7 @@ public:
         { }
     };
 
-    ATVMod();
+    ATVMod(DeviceSinkAPI *deviceAPI);
     ~ATVMod();
 
     virtual void pull(Sample& sample);
@@ -450,6 +451,9 @@ private:
         {}
     };
 
+    DeviceSinkAPI* m_deviceAPI;
+    ThreadedBasebandSampleSource* m_threadedChannelizer;
+    UpChannelizer* m_channelizer;
     ATVModSettings m_settings;
 
     NCO m_carrierNco;
diff --git a/plugins/channeltx/modatv/atvmodgui.cpp b/plugins/channeltx/modatv/atvmodgui.cpp
index 723f9df97..f21ec22ea 100644
--- a/plugins/channeltx/modatv/atvmodgui.cpp
+++ b/plugins/channeltx/modatv/atvmodgui.cpp
@@ -24,8 +24,6 @@
 #include <cmath>
 
 #include "device/devicesinkapi.h"
-#include "dsp/upchannelizer.h"
-#include "dsp/threadedbasebandsamplesource.h"
 #include "plugin/pluginapi.h"
 #include "util/simpleserializer.h"
 #include "gui/basicchannelsettingswidget.h"
@@ -159,11 +157,6 @@ void ATVModGUI::channelMarkerChanged()
 	applySettings();
 }
 
-void ATVModGUI::channelizerOutputSampleRateChanged()
-{
-    //setRFFiltersSlidersRange(m_channelizer->getOutputSampleRate());
-}
-
 void ATVModGUI::setRFFiltersSlidersRange(int sampleRate)
 {
     int scaleFactor = (int) std::log10(sampleRate/2);
@@ -615,13 +608,8 @@ ATVModGUI::ATVModGUI(PluginAPI* pluginAPI, DeviceSinkAPI *deviceAPI, QWidget* pa
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(menuDoubleClickEvent()), this, SLOT(onMenuDoubleClicked()));
 
-	m_atvMod = new ATVMod();
+	m_atvMod = new ATVMod(m_deviceAPI);
 	m_atvMod->setMessageQueueToGUI(getInputMessageQueue());
-	m_channelizer = new UpChannelizer(m_atvMod);
-	m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
-	//m_pluginAPI->addThreadedSink(m_threadedChannelizer);
-    connect(m_channelizer, SIGNAL(outputSampleRateChanged()), this, SLOT(channelizerOutputSampleRateChanged()));
-    m_deviceAPI->addThreadedSource(m_threadedChannelizer);
 
 	connect(&m_pluginAPI->getMainWindow()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick()));
 
@@ -662,9 +650,6 @@ ATVModGUI::ATVModGUI(PluginAPI* pluginAPI, DeviceSinkAPI *deviceAPI, QWidget* pa
 ATVModGUI::~ATVModGUI()
 {
     m_deviceAPI->removeChannelInstance(this);
-	m_deviceAPI->removeThreadedSource(m_threadedChannelizer);
-	delete m_threadedChannelizer;
-	delete m_channelizer;
 	delete m_atvMod;
 	delete ui;
 }
@@ -678,9 +663,9 @@ void ATVModGUI::applySettings(bool force)
 {
 	if (m_doApplySettings)
 	{
-		m_channelizer->configure(m_channelizer->getInputMessageQueue(),
-		    m_channelizer->getOutputSampleRate(),
-			m_channelMarker.getCenterFrequency());
+		ATVMod::MsgConfigureChannelizer *msgChan = ATVMod::MsgConfigureChannelizer::create(
+		        m_channelMarker.getCenterFrequency());
+        m_atvMod->getInputMessageQueue()->push(msgChan);
 
 		ATVMod::MsgConfigureATVMod *msg = ATVMod::MsgConfigureATVMod::create(m_settings, force);
 		m_atvMod->getInputMessageQueue()->push(msg);
diff --git a/plugins/channeltx/modatv/atvmodgui.h b/plugins/channeltx/modatv/atvmodgui.h
index 138524b6a..1158278ab 100644
--- a/plugins/channeltx/modatv/atvmodgui.h
+++ b/plugins/channeltx/modatv/atvmodgui.h
@@ -29,8 +29,6 @@
 class PluginAPI;
 class DeviceSinkAPI;
 
-class ThreadedBasebandSampleSource;
-class UpChannelizer;
 class ATVMod;
 class QMessageBox;
 
@@ -60,7 +58,6 @@ public:
 
 private slots:
     void channelMarkerChanged();
-    void channelizerOutputSampleRateChanged();
     void handleSourceMessages();
 
     void on_deltaFrequency_changed(qint64 value);
@@ -108,8 +105,6 @@ private:
     bool m_basicSettingsShown;
     bool m_doApplySettings;
 
-    ThreadedBasebandSampleSource* m_threadedChannelizer;
-    UpChannelizer* m_channelizer;
     ATVMod* m_atvMod;
     MovingAverage<double> m_channelPowerDbAvg;