diff --git a/mainwindow.cpp b/mainwindow.cpp
index 20c3ddc81..33d5ee6f1 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -392,6 +392,7 @@ void MainWindow::dataSink(int k)
   static int ndiskdat;
   static int nwrite=0;
   static int k0=99999999;
+  static int n300z=9999;
   static float px=0.0;
   static float sq0=0.0;
   static float sqave=1000.0;
@@ -446,20 +447,13 @@ void MainWindow::dataSink(int k)
         splot[i] /= n;                           //Normalize the average
     }
 
-// Time according to this computer
-    qint64 ms = QDateTime::currentMSecsSinceEpoch() % 86400000;
-    int n60 = (ms/1000) % 60;
-    if((m_diskData && ihsym <= m_waterfallAvg) || (!m_diskData && n60<n60z)) {
-      for (int i=0; i<NFFT; i++) {
-        splot[i] = 1.e30;
-      }
-    }
-    n60z=n60;
-    n=0;
-  }
 */
+// Time according to this computer
+  qint64 ms = QDateTime::currentMSecsSinceEpoch() % 86400000;
+  int n300 = (ms/100) % 300;
 
-  if(k >= (int)(29.5*48000) and nwrite==0) {
+  qDebug() << "dataSink" << k << n300 << nwrite;
+  if(n300 >= 295 and nwrite==0) {
     nwrite=1;
     if(m_saveAll) {
       QDateTime t = QDateTime::currentDateTimeUtc();
@@ -854,7 +848,7 @@ void MainWindow::diskDat()                                   //diskDat()
 
 void MainWindow::diskWriteFinished()                       //diskWriteFinished
 {
-//  qDebug() << "diskWriteFinished";
+  qDebug() << "diskWriteFinished";
 }
                                                         //Delete ../save/*.wav
 void MainWindow::on_actionDelete_all_wav_files_in_SaveDir_triggered()
@@ -1169,6 +1163,7 @@ void MainWindow::guiUpdate()
       if(!soundOutThread.isRunning()) {
         soundOutThread.start(QThread::HighPriority);
       }
+      qDebug() << "PTT raised, soundOut started";
     }
     if(!bTxTime || m_txMute) {
       btxok=false;
diff --git a/soundin.cpp b/soundin.cpp
index 734a321c8..bee5b0580 100644
--- a/soundin.cpp
+++ b/soundin.cpp
@@ -124,7 +124,7 @@ void SoundInThread::run()                           //SoundInThread::run()
           nBusy++;
         } else {
 //          m_dataSinkBusy=true;
-//          qDebug() << "A" << k;
+//          qDebug() << "Calling dataSink" << k;
           emit readyForFFT(k);         //Signal to compute new FFTs
         }
         nstep0=m_step;
diff --git a/soundout.cpp b/soundout.cpp
index 473fd8f64..c16a5d617 100644
--- a/soundout.cpp
+++ b/soundout.cpp
@@ -83,6 +83,7 @@ void SoundOutThread::run()
   }
   const PaStreamInfo* p=Pa_GetStreamInfo(outStream);
   outputLatency = p->outputLatency;
+  qDebug() << "SoundOut started, latency =" << outputLatency;
   bool qe = quitExecution;
 
 //---------------------------------------------- Soundcard output loop
@@ -96,6 +97,7 @@ void SoundOutThread::run()
   }
   Pa_StopStream(outStream);
   Pa_CloseStream(outStream);
+  qDebug() << "SoundOut terminated";
 }
 
 void SoundOutThread::setOutputDevice(int n)      //setOutputDevice()