diff --git a/plugins/samplesource/testsource/testsourcegui.cpp b/plugins/samplesource/testsource/testsourcegui.cpp
index ccffc6a25..68cb2bcdb 100644
--- a/plugins/samplesource/testsource/testsourcegui.cpp
+++ b/plugins/samplesource/testsource/testsourcegui.cpp
@@ -25,6 +25,8 @@
 #include "plugin/pluginapi.h"
 #include "gui/colormapper.h"
 #include "gui/glspectrum.h"
+#include "gui/crightclickenabler.h"
+#include "gui/basicdevicesettingsdialog.h"
 #include "dsp/dspengine.h"
 #include "dsp/dspcommands.h"
 #include "util/db.h"
@@ -66,6 +68,9 @@ TestSourceGui::TestSourceGui(DeviceUISet *deviceUISet, QWidget* parent) :
 
     connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
     m_sampleSource->setMessageQueueToGUI(&m_inputMessageQueue);
+
+    CRightClickEnabler *startStopRightClickEnabler = new CRightClickEnabler(ui->startStop);
+    connect(startStopRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(openDeviceSettingsDialog(const QPoint &)));
 }
 
 TestSourceGui::~TestSourceGui()
@@ -512,4 +517,21 @@ void TestSourceGui::updateSampleRateAndFrequency()
     ui->deviceRateText->setText(tr("%1k").arg((float)m_deviceSampleRate / 1000));
 }
 
+void TestSourceGui::openDeviceSettingsDialog(const QPoint& p)
+{
+    BasicDeviceSettingsDialog dialog(this);
+    dialog.setUseReverseAPI(m_settings.m_useReverseAPI);
+    dialog.setReverseAPIAddress(m_settings.m_reverseAPIAddress);
+    dialog.setReverseAPIPort(m_settings.m_reverseAPIPort);
+    dialog.setReverseAPIDeviceIndex(m_settings.m_reverseAPIDeviceIndex);
 
+    dialog.move(p);
+    dialog.exec();
+
+    m_settings.m_useReverseAPI = dialog.useReverseAPI();
+    m_settings.m_reverseAPIAddress = dialog.getReverseAPIAddress();
+    m_settings.m_reverseAPIPort = dialog.getReverseAPIPort();
+    m_settings.m_reverseAPIDeviceIndex = dialog.getReverseAPIDeviceIndex();
+
+    sendSettings();
+}
\ No newline at end of file
diff --git a/plugins/samplesource/testsource/testsourcegui.h b/plugins/samplesource/testsource/testsourcegui.h
index 3c0432d69..7bc29d4a5 100644
--- a/plugins/samplesource/testsource/testsourcegui.h
+++ b/plugins/samplesource/testsource/testsourcegui.h
@@ -97,6 +97,7 @@ private slots:
     void on_qBias_valueChanged(int value);
     void on_phaseImbalance_valueChanged(int value);
     void on_record_toggled(bool checked);
+    void openDeviceSettingsDialog(const QPoint& p);
     void updateStatus();
     void updateHardware();
 };
diff --git a/plugins/samplesource/testsource/testsourceinput.cpp b/plugins/samplesource/testsource/testsourceinput.cpp
index 776a1c540..f5f9f2186 100644
--- a/plugins/samplesource/testsource/testsourceinput.cpp
+++ b/plugins/samplesource/testsource/testsourceinput.cpp
@@ -14,10 +14,14 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 ///////////////////////////////////////////////////////////////////////////////////
 
-#include <QDebug>
 #include <string.h>
 #include <errno.h>
 
+#include <QDebug>
+#include <QNetworkReply>
+#include <QNetworkAccessManager>
+#include <QBuffer>
+
 #include "SWGDeviceSettings.h"
 #include "SWGDeviceState.h"
 
@@ -47,11 +51,20 @@ TestSourceInput::TestSourceInput(DeviceSourceAPI *deviceAPI) :
     if (!m_sampleFifo.setSize(96000 * 4)) {
         qCritical("TestSourceInput::TestSourceInput: Could not allocate SampleFifo");
     }
+
+    m_networkManager = new QNetworkAccessManager();
+    connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));    
 }
 
 TestSourceInput::~TestSourceInput()
 {
-    if (m_running) { stop(); }
+    disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
+    delete m_networkManager;
+
+    if (m_running) { 
+        stop(); 
+    }
+    
     m_deviceAPI->removeSink(m_fileSink);
     delete m_fileSink;
 }
@@ -210,6 +223,10 @@ bool TestSourceInput::handleMessage(const Message& message)
             m_deviceAPI->stopAcquisition();
         }
 
+        if (m_settings.m_useReverseAPI) {
+            webapiReverseSendStartStop(cmd.getStartStop());
+        }        
+
         return true;
     }
     else
@@ -220,6 +237,8 @@ bool TestSourceInput::handleMessage(const Message& message)
 
 bool TestSourceInput::applySettings(const TestSourceSettings& settings, bool force)
 {
+    QList<QString> reverseAPIKeys;
+
     if ((m_settings.m_autoCorrOptions != settings.m_autoCorrOptions) || force)
     {
         switch(settings.m_autoCorrOptions)
@@ -261,6 +280,8 @@ bool TestSourceInput::applySettings(const TestSourceSettings& settings, bool for
         || (m_settings.m_sampleRate != settings.m_sampleRate)
         || (m_settings.m_log2Decim != settings.m_log2Decim) || force)
     {
+        reverseAPIKeys.append("centerFrequency");
+
         qint64 deviceCenterFrequency = DeviceSampleSource::calculateDeviceCenterFrequency(
                 settings.m_centerFrequency,
                 0, // no transverter mode
@@ -382,6 +403,15 @@ bool TestSourceInput::applySettings(const TestSourceSettings& settings, bool for
         }
     }
 
+    if (settings.m_useReverseAPI)
+    {
+        bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
+                (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
+                (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
+                (m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex);
+        webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
+    }
+
     m_settings = settings;
     return true;
 }
@@ -533,3 +563,110 @@ void TestSourceInput::webapiFormatDeviceSettings(SWGSDRangel::SWGDeviceSettings&
     }
 }
 
+void TestSourceInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, const TestSourceSettings& settings, bool force)
+{
+    SWGSDRangel::SWGDeviceSettings *swgDeviceSettings = new SWGSDRangel::SWGDeviceSettings();
+    swgDeviceSettings->setTx(0);
+    swgDeviceSettings->setDeviceHwType(new QString("TestSource"));
+    swgDeviceSettings->setTestSourceSettings(new SWGSDRangel::SWGTestSourceSettings());
+    SWGSDRangel::SWGTestSourceSettings *swgTestSourceSettings = swgDeviceSettings->getTestSourceSettings();
+
+    // transfer data that has been modified. When force is on transfer all data except reverse API data
+
+    if (deviceSettingsKeys.contains("centerFrequency") || force) {
+        swgTestSourceSettings->setCenterFrequency(settings.m_centerFrequency);
+    }
+    if (deviceSettingsKeys.contains("frequencyShift")) {
+        swgTestSourceSettings->setFrequencyShift(settings.m_frequencyShift);
+    }
+    if (deviceSettingsKeys.contains("sampleRate")) {
+        swgTestSourceSettings->setSampleRate(settings.m_sampleRate);
+    }
+    if (deviceSettingsKeys.contains("log2Decim")) {
+        swgTestSourceSettings->setLog2Decim(settings.m_log2Decim);
+    }
+    if (deviceSettingsKeys.contains("fcPos")) {
+        swgTestSourceSettings->setFcPos((int) settings.m_fcPos);
+    }
+    if (deviceSettingsKeys.contains("sampleSizeIndex")) {
+        swgTestSourceSettings->setSampleSizeIndex(settings.m_sampleSizeIndex);
+    }
+    if (deviceSettingsKeys.contains("amplitudeBits")) {
+        swgTestSourceSettings->setAmplitudeBits(settings.m_amplitudeBits);
+    }
+    if (deviceSettingsKeys.contains("autoCorrOptions")) {
+        swgTestSourceSettings->setAutoCorrOptions((int) settings.m_sampleSizeIndex);
+    }
+    if (deviceSettingsKeys.contains("modulation")) {
+        swgTestSourceSettings->setModulation((int) settings.m_modulation);
+    }
+    if (deviceSettingsKeys.contains("modulationTone")) {
+        swgTestSourceSettings->setModulationTone(settings.m_modulationTone);
+    }
+    if (deviceSettingsKeys.contains("amModulation")) {
+        swgTestSourceSettings->setAmModulation(settings.m_amModulation);
+    };
+    if (deviceSettingsKeys.contains("fmDeviation")) {
+        swgTestSourceSettings->setFmDeviation(settings.m_fmDeviation);
+    };
+    if (deviceSettingsKeys.contains("dcFactor")) {
+        swgTestSourceSettings->setDcFactor(settings.m_dcFactor);
+    };
+    if (deviceSettingsKeys.contains("iFactor")) {
+        swgTestSourceSettings->setIFactor(settings.m_iFactor);
+    };
+    if (deviceSettingsKeys.contains("qFactor")) {
+        swgTestSourceSettings->setQFactor(settings.m_qFactor);
+    };
+    if (deviceSettingsKeys.contains("phaseImbalance")) {
+        swgTestSourceSettings->setPhaseImbalance(settings.m_phaseImbalance);
+    };
+    if (deviceSettingsKeys.contains("fileRecordName")) {
+        swgTestSourceSettings->setFileRecordName(new QString(settings.m_fileRecordName));
+    }
+
+    QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/device/settings")
+            .arg(settings.m_reverseAPIAddress)
+            .arg(settings.m_reverseAPIPort)
+            .arg(settings.m_reverseAPIDeviceIndex);
+    m_networkRequest.setUrl(QUrl(channelSettingsURL));
+
+    QBuffer *buffer=new QBuffer();
+    buffer->open((QBuffer::ReadWrite));
+    buffer->write(swgDeviceSettings->asJson().toUtf8());
+    buffer->seek(0);
+
+    qDebug("TestSourceInput::webapiReverseSendSettings: %s", channelSettingsURL.toStdString().c_str());
+
+    // Always use PATCH to avoid passing reverse API settings
+    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+
+    delete swgDeviceSettings;    
+}
+
+void TestSourceInput::webapiReverseSendStartStop(bool start)
+{
+    QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/device/run")
+            .arg(m_settings.m_reverseAPIAddress)
+            .arg(m_settings.m_reverseAPIPort)
+            .arg(m_settings.m_reverseAPIDeviceIndex);
+    m_networkRequest.setUrl(QUrl(channelSettingsURL));    
+
+    if (start) {
+        m_networkManager->sendCustomRequest(m_networkRequest, "POST");
+    } else {
+        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE");
+    }
+}
+
+void TestSourceInput::networkManagerFinished(QNetworkReply *reply)
+{
+    if (reply->error())
+    {
+        qDebug() << "TestSourceInput::networkManagerFinished: error: " << reply->errorString();
+        return;
+    }
+
+    QString answer = reply->readAll();
+    qDebug("TestSourceInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+}
diff --git a/plugins/samplesource/testsource/testsourceinput.h b/plugins/samplesource/testsource/testsourceinput.h
index 6938f7b52..89ee09221 100644
--- a/plugins/samplesource/testsource/testsourceinput.h
+++ b/plugins/samplesource/testsource/testsourceinput.h
@@ -20,6 +20,7 @@
 #include <QString>
 #include <QByteArray>
 #include <QTimer>
+#include <QNetworkRequest>
 
 #include <dsp/devicesamplesource.h>
 #include "testsourcesettings.h"
@@ -27,6 +28,8 @@
 class DeviceSourceAPI;
 class TestSourceThread;
 class FileRecord;
+class QNetworkAccessManager;
+class QNetworkReply;
 
 class TestSourceInput : public DeviceSampleSource {
 public:
@@ -138,9 +141,16 @@ private:
 	QString m_deviceDescription;
 	bool m_running;
     const QTimer& m_masterTimer;
+    QNetworkAccessManager *m_networkManager;
+    QNetworkRequest m_networkRequest;
 
 	bool applySettings(const TestSourceSettings& settings, bool force);
     void webapiFormatDeviceSettings(SWGSDRangel::SWGDeviceSettings& response, const TestSourceSettings& settings);
+    void webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, const TestSourceSettings& settings, bool force);
+    void webapiReverseSendStartStop(bool start);
+
+private slots:
+    void networkManagerFinished(QNetworkReply *reply);
 };
 
 #endif // _TESTSOURCE_TESTSOURCEINPUT_H_
diff --git a/plugins/samplesource/testsource/testsourceplugin.cpp b/plugins/samplesource/testsource/testsourceplugin.cpp
index ad19169ad..8535a150a 100644
--- a/plugins/samplesource/testsource/testsourceplugin.cpp
+++ b/plugins/samplesource/testsource/testsourceplugin.cpp
@@ -29,7 +29,7 @@
 
 const PluginDescriptor TestSourcePlugin::m_pluginDescriptor = {
 	QString("Test Source input"),
-	QString("4.2.4"),
+	QString("4.3.2"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,
diff --git a/plugins/samplesource/testsource/testsourcesettings.cpp b/plugins/samplesource/testsource/testsourcesettings.cpp
index 65e1b10b2..eb0cb8838 100644
--- a/plugins/samplesource/testsource/testsourcesettings.cpp
+++ b/plugins/samplesource/testsource/testsourcesettings.cpp
@@ -42,6 +42,10 @@ void TestSourceSettings::resetToDefaults()
     m_qFactor = 0.0f;
     m_phaseImbalance = 0.0f;
     m_fileRecordName = "";
+    m_useReverseAPI = false;
+    m_reverseAPIAddress = "127.0.0.1";
+    m_reverseAPIPort = 8888;
+    m_reverseAPIDeviceIndex = 0;    
 }
 
 QByteArray TestSourceSettings::serialize() const
@@ -63,7 +67,10 @@ QByteArray TestSourceSettings::serialize() const
     s.writeS32(15, m_modulationTone);
     s.writeS32(16, m_amModulation);
     s.writeS32(17, m_fmDeviation);
-
+    s.writeBool(18, m_useReverseAPI);
+    s.writeString(19, m_reverseAPIAddress);
+    s.writeU32(20, m_reverseAPIPort);
+    s.writeU32(21, m_reverseAPIDeviceIndex);
     return s.final();
 }
 
@@ -80,6 +87,7 @@ bool TestSourceSettings::deserialize(const QByteArray& data)
     if (d.getVersion() == 1)
     {
         int intval;
+        uint32_t utmp;
 
         d.readS32(2, &m_frequencyShift, 0);
         d.readU32(3, &m_sampleRate, 768*1000);
@@ -112,6 +120,19 @@ bool TestSourceSettings::deserialize(const QByteArray& data)
         d.readS32(16, &m_amModulation, 50);
         d.readS32(17, &m_fmDeviation, 50);
 
+        d.readBool(18, &m_useReverseAPI, false);
+        d.readString(19, &m_reverseAPIAddress, "127.0.0.1");
+        d.readU32(20, &utmp, 0);
+
+        if ((utmp > 1023) && (utmp < 65535)) {
+            m_reverseAPIPort = utmp;
+        } else {
+            m_reverseAPIPort = 8888;
+        }
+
+        d.readU32(21, &utmp, 0);
+        m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
+
         return true;
     }
     else
diff --git a/plugins/samplesource/testsource/testsourcesettings.h b/plugins/samplesource/testsource/testsourcesettings.h
index 60c7d055f..4075f0d0b 100644
--- a/plugins/samplesource/testsource/testsourcesettings.h
+++ b/plugins/samplesource/testsource/testsourcesettings.h
@@ -60,6 +60,10 @@ struct TestSourceSettings {
     float m_qFactor;        //!< -1.0 < x < 1.0
     float m_phaseImbalance; //!< -1.0 < x < 1.0
     QString m_fileRecordName;
+    bool m_useReverseAPI;
+    QString m_reverseAPIAddress;
+    uint16_t m_reverseAPIPort;
+    uint16_t m_reverseAPIDeviceIndex;    
 
 	TestSourceSettings();
 	void resetToDefaults();