diff --git a/JAERO/audioreceiver.cpp b/JAERO/audioreceiver.cpp
index cae0dd7..2cffb7d 100644
--- a/JAERO/audioreceiver.cpp
+++ b/JAERO/audioreceiver.cpp
@@ -1,9 +1,5 @@
 #include "audioreceiver.h"
 #include "QDebug"
-#include <iostream>
-#include "QDataStream"
-#include "QDateTime"
-
 #include <unistd.h>
 
 void AudioReceiver::ZMQaudioStart(QString address, QString topic)
@@ -13,7 +9,6 @@ void AudioReceiver::ZMQaudioStart(QString address, QString topic)
     setParameters(address,topic);
     future = QtConcurrent::run([=]() {
         process();
-        qDebug()<<"Thread finished";
         return;
     });
     //wait till the thread is running so ZMQaudioStop functions correctly
@@ -37,17 +32,21 @@ void AudioReceiver::process()
 
     char buf [recsize];
     char topic[20];
+    unsigned char rate[4];
+    quint32 sampleRate;
 
     running = true;
 
     while(running)
     {
         zmq_recv(subscriber, topic, 20, 0);
-        int received = zmq_recv(subscriber, buf, recsize, ZMQ_DONTWAIT);
+        int received = zmq_recv(subscriber, rate, 4, ZMQ_DONTWAIT);
+        memcpy(&sampleRate, rate, 4);
+        received = zmq_recv(subscriber, buf, recsize, ZMQ_DONTWAIT);
         if(received>=0)
         {
             QByteArray qdata(buf, received);
-            emit recAudio(qdata);
+            emit recAudio(qdata,sampleRate);
         }
         else
         {
diff --git a/JAERO/audioreceiver.h b/JAERO/audioreceiver.h
index af2348a..9ff13b7 100644
--- a/JAERO/audioreceiver.h
+++ b/JAERO/audioreceiver.h
@@ -49,7 +49,7 @@ public slots:
     QFuture<void> future;
 
 signals:
-    void recAudio(const QByteArray & audio);
+    void recAudio(const QByteArray & audio,quint32 sampleRate);
 
 };
 
diff --git a/JAERO/burstmskdemodulator.cpp b/JAERO/burstmskdemodulator.cpp
index 2b739e7..48841a8 100644
--- a/JAERO/burstmskdemodulator.cpp
+++ b/JAERO/burstmskdemodulator.cpp
@@ -759,9 +759,11 @@ void BurstMskDemodulator::DCDstatSlot(bool _dcd)
     dcd=_dcd;
 }
 
-void BurstMskDemodulator::dataReceived(const QByteArray &audio)
+void BurstMskDemodulator::dataReceived(const QByteArray &audio,quint32 sampleRate)
 {
-
+    if(sampleRate!=Fs)
+    {
+        qDebug()<<"Sample rate not supported by demodulator";
+    }
     writeData(audio, audio.length());
-
 }
diff --git a/JAERO/burstmskdemodulator.h b/JAERO/burstmskdemodulator.h
index f4dd064..51aa633 100644
--- a/JAERO/burstmskdemodulator.h
+++ b/JAERO/burstmskdemodulator.h
@@ -213,7 +213,7 @@ class BurstMskDemodulator : public QIODevice
 public slots:
      void CenterFreqChangedSlot(double freq_center);
      void DCDstatSlot(bool dcd);
-     void dataReceived(const QByteArray &audio);
+     void dataReceived(const QByteArray &audio, quint32 sampleRate);
 
 
 };
diff --git a/JAERO/burstoqpskdemodulator.cpp b/JAERO/burstoqpskdemodulator.cpp
index 2d3a82e..6c9a388 100644
--- a/JAERO/burstoqpskdemodulator.cpp
+++ b/JAERO/burstoqpskdemodulator.cpp
@@ -303,11 +303,13 @@ qint64 BurstOqpskDemodulator::writeData(const char *data, qint64 len)
     return len;
 }
 
-void BurstOqpskDemodulator::dataReceived(const QByteArray &audio)
+void BurstOqpskDemodulator::dataReceived(const QByteArray &audio,quint32 sampleRate)
 {
-
+    if(sampleRate!=Fs)
+    {
+        qDebug()<<"Sample rate not supported by demodulator";
+    }
     writeData(audio, audio.length());
-
 }
 
 void BurstOqpskDemodulator::writeDataSlot(const char *data, qint64 len)
diff --git a/JAERO/burstoqpskdemodulator.h b/JAERO/burstoqpskdemodulator.h
index b808340..384f4ac 100644
--- a/JAERO/burstoqpskdemodulator.h
+++ b/JAERO/burstoqpskdemodulator.h
@@ -225,7 +225,7 @@ class BurstOqpskDemodulator : public QIODevice
 public slots:
     void CenterFreqChangedSlot(double freq_center);
     void writeDataSlot(const char *data, qint64 len);
-    void dataReceived(const QByteArray &audio);
+    void dataReceived(const QByteArray &audio, quint32 sampleRate);
 
 
 };
diff --git a/JAERO/mainwindow.cpp b/JAERO/mainwindow.cpp
index b9b3a49..0d8064e 100644
--- a/JAERO/mainwindow.cpp
+++ b/JAERO/mainwindow.cpp
@@ -284,7 +284,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                     audiooqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audiooqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audiooqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audiooqpskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audiooqpskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some burstoqpsk connections
         disconnect(audioburstoqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -299,7 +299,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay,        SIGNAL(CenterFreqChanged(double)),                     audioburstoqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audioburstoqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audioburstoqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audioburstoqpskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audioburstoqpskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //burstdemod demod2
         disconnect(audioburstoqpskdemodulator->demod2, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -328,7 +328,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audioburstmskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audioburstmskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audioburstmskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audioburstmskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audioburstmskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some msk connections
         connect(audiomskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -343,7 +343,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         connect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audiomskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         connect(audiomskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         connect(audiomskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)), audiomskdemodulator, SLOT(dataReceived(QByteArray)), Qt::UniqueConnection);
+        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)), audiomskdemodulator, SLOT(dataReceived(QByteArray,quint32)), Qt::UniqueConnection);
 
         break;
     case OQPSK: //opqsk
@@ -360,7 +360,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audiomskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audiomskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audiomskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audiomskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audiomskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some burstoqpsk connections
         disconnect(audioburstoqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -375,7 +375,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                          audioburstoqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audioburstoqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audioburstoqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audioburstoqpskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audioburstoqpskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //burstdemod demod2
         disconnect(audioburstoqpskdemodulator->demod2, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -404,7 +404,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audioburstmskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audioburstmskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audioburstmskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audioburstmskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audioburstmskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some oqpsk connections
         connect(audiooqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -419,7 +419,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         connect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                     audiooqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         connect(audiooqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         connect(audiooqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)), audiooqpskdemodulator, SLOT(dataReceived(QByteArray)), Qt::UniqueConnection);
+        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)), audiooqpskdemodulator, SLOT(dataReceived(QByteArray,quint32)), Qt::UniqueConnection);
 
         break;
     case BURSTOQPSK: //burstopqsk
@@ -437,7 +437,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audiomskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audiomskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audiomskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audiomskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audiomskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some oqpsk connections
         disconnect(audiooqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -452,7 +452,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                     audiooqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audiooqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audiooqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audiooqpskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audiooqpskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some burst msk connections
         disconnect(audioburstmskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -467,7 +467,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audioburstmskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audioburstmskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audioburstmskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audioburstmskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audioburstmskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some burstoqpsk connections
         connect(audioburstoqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -482,7 +482,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         connect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                          audioburstoqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         connect(audioburstoqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         connect(audioburstoqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)), audioburstoqpskdemodulator, SLOT(dataReceived(QByteArray)));
+        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)), audioburstoqpskdemodulator, SLOT(dataReceived(QByteArray,quint32)));
 
         //burstdemod demod2
         connect(audioburstoqpskdemodulator->demod2, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -515,7 +515,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audiomskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audiomskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audiomskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audiomskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audiomskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some oqpsk connections
         disconnect(audiooqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -530,7 +530,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                     audiooqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audiooqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audiooqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audiooqpskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audiooqpskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //some burstoqpsk connections
         disconnect(audioburstoqpskdemodulator, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -545,7 +545,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         disconnect(ui->spectrumdisplay,   SIGNAL(CenterFreqChanged(double)),                          audioburstoqpskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         disconnect(audioburstoqpskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         disconnect(audioburstoqpskdemodulator, SIGNAL(SignalStatus(bool)),aerol,SLOT(SignalStatusSlot(bool)));
-        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)),audioburstoqpskdemodulator,SLOT(dataReceived(QByteArray)));
+        disconnect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)),audioburstoqpskdemodulator,SLOT(dataReceived(QByteArray,quint32)));
 
         //burstdemod demod2
         disconnect(audioburstoqpskdemodulator->demod2, SIGNAL(Plottables(double,double,double)),              this,SLOT(PlottablesSlot(double,double,double)));
@@ -574,7 +574,7 @@ void MainWindow::selectdemodulatorconnections(DemodType demodtype)
         connect(ui->spectrumdisplay, SIGNAL(CenterFreqChanged(double)),                     audioburstmskdemodulator,SLOT(CenterFreqChangedSlot(double)));
         connect(audioburstmskdemodulator, SIGNAL(BitRateChanged(double,bool)),                   aerol,SLOT(setSettings(double,bool)));
         connect(audioburstmskdemodulator, SIGNAL(SignalStatus(bool)),                           aerol,SLOT(SignalStatusSlot(bool)));
-        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&)), audioburstmskdemodulator, SLOT(dataReceived(QByteArray)));
+        connect(zmq_audio_receiver, SIGNAL(recAudio(const QByteArray&,quint32)), audioburstmskdemodulator, SLOT(dataReceived(QByteArray,quint32)));
 
         break;
     }
diff --git a/JAERO/mskdemodulator.cpp b/JAERO/mskdemodulator.cpp
index 0224a78..856dfea 100644
--- a/JAERO/mskdemodulator.cpp
+++ b/JAERO/mskdemodulator.cpp
@@ -134,6 +134,7 @@ void MskDemodulator::invalidatesettings()
 
 void MskDemodulator::setSettings(Settings _settings)
 {
+    last_applied_settings=_settings;
     if(_settings.Fs!=Fs)emit SampleRateChanged(_settings.Fs);
     Fs=_settings.Fs;
     lockingbw=_settings.lockingbw;
@@ -524,12 +525,13 @@ void MskDemodulator::DCDstatSlot(bool _dcd)
 
 }
 
-
-void MskDemodulator::dataReceived(const QByteArray &audio)
+void MskDemodulator::dataReceived(const QByteArray &audio,quint32 sampleRate)
 {
-
+    if(sampleRate!=Fs)
+    {
+        qDebug()<<"Sample rate different than expected. Trying to change demodulator sample rate";
+        last_applied_settings.Fs=sampleRate;
+        setSettings(last_applied_settings);
+    }
     writeData(audio, audio.length());
-
 }
-
-
diff --git a/JAERO/mskdemodulator.h b/JAERO/mskdemodulator.h
index ddcfb06..6e5aedc 100644
--- a/JAERO/mskdemodulator.h
+++ b/JAERO/mskdemodulator.h
@@ -142,6 +142,7 @@ class MskDemodulator : public QIODevice
     int coarseCounter;
     bool cpuReduce;
 
+    Settings last_applied_settings;
 
 signals:
     void ScatterPoints(const QVector<cpx_type> &buffer);
@@ -162,7 +163,7 @@ public slots:
     void FreqOffsetEstimateSlot(double freq_offset_est);
     void CenterFreqChangedSlot(double freq_center);
     void DCDstatSlot(bool dcd);
-    void dataReceived(const QByteArray &audio);
+    void dataReceived(const QByteArray &audio, quint32 sampleRate);
 
 
 };
diff --git a/JAERO/oqpskdemodulator.cpp b/JAERO/oqpskdemodulator.cpp
index a65f650..2b4c149 100644
--- a/JAERO/oqpskdemodulator.cpp
+++ b/JAERO/oqpskdemodulator.cpp
@@ -679,11 +679,11 @@ void OqpskDemodulator::DCDstatSlot(bool _dcd)
 
 }
 
-void OqpskDemodulator::dataReceived(const QByteArray &audio)
+void OqpskDemodulator::dataReceived(const QByteArray &audio,quint32 sampleRate)
 {
-
+    if(sampleRate!=Fs)
+    {
+        qDebug()<<"Sample rate not supported by demodulator";
+    }
     writeData(audio, audio.length());
-
 }
-
-
diff --git a/JAERO/oqpskdemodulator.h b/JAERO/oqpskdemodulator.h
index e2422f1..a50a371 100644
--- a/JAERO/oqpskdemodulator.h
+++ b/JAERO/oqpskdemodulator.h
@@ -147,7 +147,7 @@ public slots:
     void FreqOffsetEstimateSlot(double freq_offset_est);
     void CenterFreqChangedSlot(double freq_center);
     void DCDstatSlot(bool _dcd);
-    void dataReceived(const QByteArray &audio);
+    void dataReceived(const QByteArray &audio, quint32 sampleRate);
 
 };