diff --git a/plugins/channelrx/demodft8/ft8demod.cpp b/plugins/channelrx/demodft8/ft8demod.cpp
index 6672c6a20..163b1f043 100644
--- a/plugins/channelrx/demodft8/ft8demod.cpp
+++ b/plugins/channelrx/demodft8/ft8demod.cpp
@@ -104,6 +104,15 @@ void FT8Demod::setDeviceAPI(DeviceAPI *deviceAPI)
     }
 }
 
+void FT8Demod::setMessageQueueToGUI(MessageQueue *queue)
+{
+    ChannelAPI::setMessageQueueToGUI(queue);
+
+    if (m_basebandSink) {
+        m_basebandSink->setMessageQueueToGUI(queue);
+    }
+}
+
 uint32_t FT8Demod::getNumberOfDeviceStreams() const
 {
     return m_deviceAPI->getNbSourceStreams();
@@ -136,6 +145,7 @@ void FT8Demod::start()
     );
     m_basebandSink->setSpectrumSink(&m_spectrumVis);
     m_basebandSink->setChannel(this);
+    qDebug("FT8Demod::start: setMessageQueueToGUI: %p", getMessageQueueToGUI());
     m_basebandSink->setMessageQueueToGUI(getMessageQueueToGUI());
     m_basebandSink->moveToThread(m_thread);
 
diff --git a/plugins/channelrx/demodft8/ft8demod.h b/plugins/channelrx/demodft8/ft8demod.h
index a92f208cb..2bb711e2b 100644
--- a/plugins/channelrx/demodft8/ft8demod.h
+++ b/plugins/channelrx/demodft8/ft8demod.h
@@ -95,7 +95,7 @@ public:
         return m_settings.m_inputFrequencyOffset;
     }
 
-    void setMessageQueueToGUI(MessageQueue* queue) override { ChannelAPI::setMessageQueueToGUI(queue); }
+    void setMessageQueueToGUI(MessageQueue* queue) override;
     uint32_t getChannelSampleRate() const { return m_running ? m_basebandSink->getChannelSampleRate() : 0; }
     double getMagSq() const { return m_running ? m_basebandSink->getMagSq() : 0.0; }
 
diff --git a/plugins/channelrx/demodft8/ft8demodbaseband.cpp b/plugins/channelrx/demodft8/ft8demodbaseband.cpp
index 9b3156778..ee7e694bb 100644
--- a/plugins/channelrx/demodft8/ft8demodbaseband.cpp
+++ b/plugins/channelrx/demodft8/ft8demodbaseband.cpp
@@ -31,7 +31,8 @@ MESSAGE_CLASS_DEFINITION(FT8DemodBaseband::MsgConfigureFT8DemodBaseband, Message
 FT8DemodBaseband::FT8DemodBaseband() :
     m_channelizer(&m_sink),
     m_messageQueueToGUI(nullptr),
-    m_spectrumVis(nullptr)
+    m_spectrumVis(nullptr),
+    m_deviceCenterFrequency(0)
 {
     qDebug("FT8DemodBaseband::FT8DemodBaseband");
     m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
@@ -39,7 +40,6 @@ FT8DemodBaseband::FT8DemodBaseband() :
 
     m_workerThread = new QThread();
     m_ft8DemodWorker = new FT8DemodWorker();
-
     m_ft8DemodWorker->moveToThread(m_workerThread);
 
     QObject::connect(
@@ -93,6 +93,12 @@ void FT8DemodBaseband::reset()
     m_channelSampleRate = 0;
 }
 
+void FT8DemodBaseband::setMessageQueueToGUI(MessageQueue *messageQueue)
+{
+    m_messageQueueToGUI = messageQueue;
+    m_ft8DemodWorker->setReportingMessageQueue(m_messageQueueToGUI);
+}
+
 void FT8DemodBaseband::setChannel(ChannelAPI *channel)
 {
     m_sink.setChannel(channel);
@@ -174,6 +180,12 @@ bool FT8DemodBaseband::handleMessage(const Message& cmd)
             m_channelSampleRate = m_channelizer.getChannelSampleRate();
         }
 
+        if (notif.getCenterFrequency() != m_deviceCenterFrequency)
+        {
+            m_ft8DemodWorker->invalidateSequence();
+            m_deviceCenterFrequency = notif.getCenterFrequency();
+        }
+
 		return true;
     }
     else
@@ -186,6 +198,7 @@ void FT8DemodBaseband::applySettings(const FT8DemodSettings& settings, bool forc
 {
     if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force)
     {
+        m_ft8DemodWorker->invalidateSequence();
         m_channelizer.setChannelization(FT8DemodSettings::m_ft8SampleRate, settings.m_inputFrequencyOffset);
         m_sink.applyChannelSettings(m_channelizer.getChannelSampleRate(), m_channelizer.getChannelFrequencyOffset());
 
diff --git a/plugins/channelrx/demodft8/ft8demodbaseband.h b/plugins/channelrx/demodft8/ft8demodbaseband.h
index 1da9d968d..4f2e2f67b 100644
--- a/plugins/channelrx/demodft8/ft8demodbaseband.h
+++ b/plugins/channelrx/demodft8/ft8demodbaseband.h
@@ -74,7 +74,7 @@ public:
     void getMagSqLevels(double& avg, double& peak, int& nbSamples) { m_sink.getMagSqLevels(avg, peak, nbSamples); }
     bool getAudioActive() const { return m_sink.getAudioActive(); }
     void setBasebandSampleRate(int sampleRate);
-    void setMessageQueueToGUI(MessageQueue *messageQueue) { m_messageQueueToGUI = messageQueue; }
+    void setMessageQueueToGUI(MessageQueue *messageQueue);
     void setChannel(ChannelAPI *channel);
     void setFifoLabel(const QString& label) { m_sampleFifo.setLabel(label); }
 
@@ -102,6 +102,7 @@ private:
     QThread *m_workerThread;
     FT8DemodWorker *m_ft8DemodWorker;
     int16_t *m_ft8WorkerBuffer;
+    qint64 m_deviceCenterFrequency;
     QRecursiveMutex m_mutex;
 
     bool handleMessage(const Message& cmd);
diff --git a/plugins/channelrx/demodft8/ft8demodgui.cpp b/plugins/channelrx/demodft8/ft8demodgui.cpp
index e9ff7e396..b8682eb85 100644
--- a/plugins/channelrx/demodft8/ft8demodgui.cpp
+++ b/plugins/channelrx/demodft8/ft8demodgui.cpp
@@ -15,6 +15,7 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 ///////////////////////////////////////////////////////////////////////////////////
 #include <QPixmap>
+#include <QScrollBar>
 
 #include "plugin/pluginapi.h"
 #include "device/deviceuiset.h"
@@ -106,6 +107,12 @@ bool FT8DemodGUI::handleMessage(const Message& message)
         updateAbsoluteCenterFrequency();
         return true;
     }
+    else if (MsgReportFT8Messages::match(message))
+    {
+        MsgReportFT8Messages& notif = (MsgReportFT8Messages&) message;
+        messagesReceived(notif.getFT8Messages());
+        return true;
+    }
     else
     {
         return false;
@@ -204,6 +211,11 @@ void FT8DemodGUI::on_filterIndex_valueChanged(int value)
     applyBandwidths(m_settings.m_filterBank[m_settings.m_filterIndex].m_spanLog2, true); // does applySettings(true)
 }
 
+void FT8DemodGUI::on_clearMessages_clicked()
+{
+    ui->messages->setRowCount(0);
+}
+
 void FT8DemodGUI::on_recordWav_toggled(bool checked)
 {
     m_settings.m_recordWav = checked;
@@ -585,6 +597,7 @@ void FT8DemodGUI::makeUIConnections()
     QObject::connect(ui->spanLog2, &QSlider::valueChanged, this, &FT8DemodGUI::on_spanLog2_valueChanged);
     QObject::connect(ui->fftWindow, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FT8DemodGUI::on_fftWindow_currentIndexChanged);
     QObject::connect(ui->filterIndex, &QDial::valueChanged, this, &FT8DemodGUI::on_filterIndex_valueChanged);
+    QObject::connect(ui->clearMessages, &QPushButton::clicked, this, &FT8DemodGUI::on_clearMessages_clicked);
     QObject::connect(ui->recordWav, &ButtonSwitch::toggled, this, &FT8DemodGUI::on_recordWav_toggled);
     QObject::connect(ui->logMessages, &ButtonSwitch::toggled, this, &FT8DemodGUI::on_logMessages_toggled);
     QObject::connect(ui->nbThreads, &QDial::valueChanged, this, &FT8DemodGUI::on_nbThreads_valueChanged);
@@ -606,12 +619,68 @@ void FT8DemodGUI::resizeMessageTable()
     ui->messages->setItem(row, MESSAGE_COL_N, new QTableWidgetItem("0"));
     ui->messages->setItem(row, MESSAGE_COL_SNR, new QTableWidgetItem("-24"));
     ui->messages->setItem(row, MESSAGE_COL_DEC, new QTableWidgetItem("174"));
-    ui->messages->setItem(row, MESSAGE_COL_DT, new QTableWidgetItem("0.0"));
+    ui->messages->setItem(row, MESSAGE_COL_DT, new QTableWidgetItem("-0.0"));
     ui->messages->setItem(row, MESSAGE_COL_DF, new QTableWidgetItem("0000"));
     ui->messages->setItem(row, MESSAGE_COL_CALL1, new QTableWidgetItem("123456789ABCD"));
     ui->messages->setItem(row, MESSAGE_COL_CALL2, new QTableWidgetItem("HF7SIEMA"));
-    ui->messages->setItem(row, MESSAGE_COL_LOC, new QTableWidgetItem("JN00"));
-    ui->messages->setItem(row, MESSAGE_COL_INFO, new QTableWidgetItem("hint1"));
+    ui->messages->setItem(row, MESSAGE_COL_LOC, new QTableWidgetItem("JN000"));
+    ui->messages->setItem(row, MESSAGE_COL_INFO, new QTableWidgetItem("OSD-0-73"));
     ui->messages->resizeColumnsToContents();
     ui->messages->removeRow(row);
 }
+
+void FT8DemodGUI::messagesReceived(const QList<FT8Message>& messages)
+{
+    ui->nbDecodesText->setText(tr("%1").arg(messages.size()));
+
+    // Is scroll bar at bottom
+    QScrollBar *sb = ui->messages->verticalScrollBar();
+    bool scrollToBottom = sb->value() == sb->maximum();
+
+    // Add to messages table
+    int row = ui->messages->rowCount();
+
+    for (const auto& message : messages)
+    {
+        ui->messages->setRowCount(row + 1);
+
+        QTableWidgetItem *utcItem = new QTableWidgetItem();
+        QTableWidgetItem *passItem = new QTableWidgetItem();
+        QTableWidgetItem *snrItem = new QTableWidgetItem();
+        QTableWidgetItem *correctItem = new QTableWidgetItem();
+        QTableWidgetItem *dtItem = new QTableWidgetItem();
+        QTableWidgetItem *dfItem = new QTableWidgetItem();
+        QTableWidgetItem *call1Item = new QTableWidgetItem();
+        QTableWidgetItem *call2Item = new QTableWidgetItem();
+        QTableWidgetItem *locItem = new QTableWidgetItem();
+        QTableWidgetItem *infoItem = new QTableWidgetItem();
+
+        ui->messages->setItem(row, MESSAGE_COL_UTC, utcItem);
+        ui->messages->setItem(row, MESSAGE_COL_N, passItem);
+        ui->messages->setItem(row, MESSAGE_COL_SNR, snrItem);
+        ui->messages->setItem(row, MESSAGE_COL_DEC, correctItem);
+        ui->messages->setItem(row, MESSAGE_COL_DT, dtItem);
+        ui->messages->setItem(row, MESSAGE_COL_DF, dfItem);
+        ui->messages->setItem(row, MESSAGE_COL_CALL1, call1Item);
+        ui->messages->setItem(row, MESSAGE_COL_CALL2, call2Item);
+        ui->messages->setItem(row, MESSAGE_COL_LOC, locItem);
+        ui->messages->setItem(row, MESSAGE_COL_INFO, infoItem);
+
+        utcItem->setText(message.ts.toString("HHmmss"));
+        passItem->setText(tr("%1").arg(message.pass));
+        snrItem->setText(tr("%1").arg(message.snr));
+        correctItem->setText(tr("%1").arg(message.nbCorrectBits));
+        dtItem->setText(tr("%1").arg(message.dt, 0, 'f', 1));
+        dfItem->setText(tr("%1").arg((int) message.df));
+        call1Item->setText(message.call1);
+        call2Item->setText(message.call2);
+        locItem->setText(message.loc);
+        infoItem->setText(message.decoderInfo);
+
+        row++;
+    }
+
+    if (scrollToBottom) {
+        ui->messages->scrollToBottom();
+    }
+}
diff --git a/plugins/channelrx/demodft8/ft8demodgui.h b/plugins/channelrx/demodft8/ft8demodgui.h
index 22d3bfe89..590f242a0 100644
--- a/plugins/channelrx/demodft8/ft8demodgui.h
+++ b/plugins/channelrx/demodft8/ft8demodgui.h
@@ -21,6 +21,7 @@
 #include "dsp/channelmarker.h"
 #include "dsp/movingaverage.h"
 #include "util/messagequeue.h"
+#include "util/ft8message.h"
 #include "settings/rollupstate.h"
 #include "ft8demodsettings.h"
 
@@ -101,6 +102,7 @@ private:
 	void enterEvent(EnterEventType*);
 
     void resizeMessageTable();
+    void messagesReceived(const QList<FT8Message>& messages);
 
     enum MessageCol {
         MESSAGE_COL_UTC,
@@ -124,6 +126,7 @@ private slots:
 	void on_spanLog2_valueChanged(int value);
     void on_fftWindow_currentIndexChanged(int index);
     void on_filterIndex_valueChanged(int value);
+    void on_clearMessages_clicked();
     void on_recordWav_toggled(bool checked);
     void on_logMessages_toggled(bool checked);
     void on_nbThreads_valueChanged(int value);
diff --git a/plugins/channelrx/demodft8/ft8demodgui.ui b/plugins/channelrx/demodft8/ft8demodgui.ui
index 04be3935e..e49166cbc 100644
--- a/plugins/channelrx/demodft8/ft8demodgui.ui
+++ b/plugins/channelrx/demodft8/ft8demodgui.ui
@@ -6,19 +6,19 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>414</width>
+    <width>500</width>
     <height>731</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+   <sizepolicy hsizetype="Expanding" vsizetype="MinimumExpanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="minimumSize">
    <size>
-    <width>414</width>
+    <width>500</width>
     <height>0</height>
    </size>
   </property>
@@ -36,7 +36,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>412</width>
+     <width>481</width>
      <height>181</height>
     </rect>
    </property>
@@ -742,7 +742,7 @@
     <rect>
      <x>0</x>
      <y>460</y>
-     <width>412</width>
+     <width>481</width>
      <height>251</height>
     </rect>
    </property>
@@ -907,6 +907,32 @@
         </property>
        </spacer>
       </item>
+      <item>
+       <widget class="QPushButton" name="clearMessages">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="minimumSize">
+         <size>
+          <width>32</width>
+          <height>0</height>
+         </size>
+        </property>
+        <property name="toolTip">
+         <string>Clear messages from table</string>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../../sdrgui/resources/res.qrc">
+          <normaloff>:/bin.png</normaloff>:/bin.png</iconset>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="ButtonSwitch" name="logMessages">
         <property name="toolTip">
diff --git a/plugins/channelrx/demodft8/ft8demodworker.cpp b/plugins/channelrx/demodft8/ft8demodworker.cpp
index 6df37fb8f..feabd68fc 100644
--- a/plugins/channelrx/demodft8/ft8demodworker.cpp
+++ b/plugins/channelrx/demodft8/ft8demodworker.cpp
@@ -58,7 +58,6 @@ int FT8DemodWorker::FT8Callback::hcb(
     }
 
     cycle_already[msg] = true;
-    cycle_mu.unlock();
 
     QList<FT8Message>& ft8Messages = m_msgReportFT8Messages->getFT8Messages();
     ft8Messages.push_back(FT8Message());
@@ -74,6 +73,7 @@ int FT8DemodWorker::FT8Callback::hcb(
     ft8Message.call2 = QString(call2.c_str());
     ft8Message.loc = QString(loc.c_str());
     ft8Message.decoderInfo = QString(comment);
+    cycle_mu.unlock();
 
     qDebug("FT8DemodWorker::FT8Callback::hcb: %d %3d %3d %5.2f %6.1f %s [%s:%s:%s] (%s)",
         pass,
@@ -114,6 +114,13 @@ void FT8DemodWorker::processBuffer(int16_t *buffer, QDateTime periodTS)
     qDebug("FT8DemodWorker::processBuffer: %s %d:%f [%d:%d]", qPrintable(periodTS.toString("yyyy-MM-dd HH:mm:ss")),
         m_nbDecoderThreads, m_decoderTimeBudget, m_lowFreq, m_highFreq);
 
+    if (m_invalidSequence)
+    {
+        qDebug("FT8DemodWorker::processBuffer: invalid sequence");
+        m_invalidSequence = false;
+        return;
+    }
+
     if (m_recordSamples)
     {
         WavFileRecord *wavFileRecord = new WavFileRecord(FT8DemodSettings::m_ft8SampleRate);
diff --git a/plugins/channelrx/demodft8/ft8demodworker.h b/plugins/channelrx/demodft8/ft8demodworker.h
index 811f5ad27..bb0eed212 100644
--- a/plugins/channelrx/demodft8/ft8demodworker.h
+++ b/plugins/channelrx/demodft8/ft8demodworker.h
@@ -42,6 +42,7 @@ public:
     void setLowFrequency(int lowFreq) { m_lowFreq = lowFreq; }
     void setHighFrequency(int highFreq) { m_highFreq = highFreq; }
     void setReportingMessageQueue(MessageQueue *messageQueue) { m_reportingMessageQueue = messageQueue; }
+    void invalidateSequence() { m_invalidSequence = true; }
 
 private:
     class FT8Callback : public FT8::CallbackInterface
@@ -78,6 +79,7 @@ private:
     float m_decoderTimeBudget;
     int m_lowFreq;
     int m_highFreq;
+    bool m_invalidSequence;
     FT8::FT8Decoder m_ft8Decoder;
     FT8::Packing m_packing;
     MessageQueue *m_reportingMessageQueue;