diff --git a/qmap/libqmap/q65b.f90 b/qmap/libqmap/q65b.f90
index fb2a07c15..163df32ca 100644
--- a/qmap/libqmap/q65b.f90
+++ b/qmap/libqmap/q65b.f90
@@ -44,16 +44,19 @@ subroutine q65b(nutc,nqd,fcenter,nfcal,nfsample,ikhz,mousedf,ntol,          &
 ! Find best frequency from sync_dat, the "orange sync curve".
   df3=96000.0/32768.0
   ipk=(1000.0*f0-1.0)/df3
+  if(nagain.ge.2) then
+     f_mouse=1000.0*(fqso+ikhz-48.0) + mousedf - 1270.0
+     ipk = nint(f_mouse/df3)
+  endif
   nfft1=MAXFFT1
   nfft2=MAXFFT2
   df=96000.0/NFFT1
   nh=nfft2/2
-  f_mouse=1000.0*(fqso+48.0) + mousedf
   k0=nint((ipk*df3-1000.0)/df)
   if(k0.lt.nh .or. k0.gt.MAXFFT1-nfft2+1) go to 900
   fac=1.0/nfft2
-  cx(0:nfft2-1)=ca(k0:k0+nfft2-1)
-  cx=fac*cx
+  if(nagain.ge.2) print*,nagain,k0,k0*df
+  cx(0:nfft2-1)=fac*ca(k0:k0+nfft2-1)
 
 ! Here cx is frequency-domain data around the selected
 ! QSO frequency, taken from the full-length FFT computed in fftbig().
@@ -110,18 +113,28 @@ subroutine q65b(nutc,nqd,fcenter,nfcal,nfsample,ikhz,mousedf,ntol,          &
      if(iseq.eq.1) datetime1(12:13)='30'
   endif
 
-!  if(nagain.eq.2) then
-!     h=default_header(12000,30*12000)
-!     ifile=ifile+1
-!     write(fname,1000) ifile
-!1000 format('000000_',i6.6,'.wav')
-!     open(27,file=fname,status='unknown',access='stream')
-!     ia=ifile*30*12000 + 1
-!     ib=ia + 30*12000 - 1
-!     write(27) h,iwave(ia:ib)
-!     close(27)
-!  endif
-!  print*,'A',nagain,ifile,fname
+  if(nagain.ge.2) then
+     ifile=ifile+1
+     write(fname,1000) ifile
+1000 format('000000_',i6.6,'.wav')
+     open(27,file=fname,status='unknown',access='stream')
+     if(nagain.eq.2) then
+        h=default_header(12000,60*12000)
+        ia=1
+        ib=60*12000
+     else if(nagain.eq.3) then
+        h=default_header(12000,30*12000)
+        ia=1
+        ib=30*12000
+     else
+        h=default_header(12000,30*12000)
+        ia=30*12000 + 1
+        ib=60*12000
+     endif
+     write(27) h,iwave(ia:ib)
+     close(27)
+     go to 900
+  endif
   
 ! NB: Frequency of ipk is now shifted to 1000 Hz.
   nagain2=0
diff --git a/qmap/mainwindow.cpp b/qmap/mainwindow.cpp
index cf1f6259d..9a527498d 100644
--- a/qmap/mainwindow.cpp
+++ b/qmap/mainwindow.cpp
@@ -951,6 +951,7 @@ void MainWindow::decode()                                       //decode()
   memcpy(savecom_.saveFileName, m_saveFileName.toLatin1(),len1);
 
   ui->actionExport_wav_file_at_fQSO->setEnabled(m_diskData);
+  qDebug() << "aa" << datcom2_.nagain;
   watcher3.setFuture(QtConcurrent::run (q65c_));
   decodeBusy(true);
 }
@@ -1187,8 +1188,20 @@ void MainWindow::on_sbMaxDrift_valueChanged(int n)
 
 void MainWindow::on_actionExport_wav_file_at_fQSO_triggered()
 {
-  qDebug() << "Export .wav file" << m_path;
   datcom_.newdat=0;
   datcom_.nagain=2;
   decode();
 }
+
+void MainWindow::on_actionExport_wav_file_at_fQSO_30a_triggered()
+{
+  datcom_.newdat=0;
+  datcom_.nagain=3;
+  decode();
+}
+
+void MainWindow::on_actionExport_wav_file_at_fQSO_30b_triggered()
+{
+  datcom_.newdat=0;
+  datcom_.nagain=4;
+  decode();}
diff --git a/qmap/mainwindow.h b/qmap/mainwindow.h
index 534f9e853..15d6f6377 100644
--- a/qmap/mainwindow.h
+++ b/qmap/mainwindow.h
@@ -86,6 +86,10 @@ private slots:
   void on_actionSave_decoded_triggered();
   void on_actionExport_wav_file_at_fQSO_triggered();
 
+  void on_actionExport_wav_file_at_fQSO_30a_triggered();
+
+  void on_actionExport_wav_file_at_fQSO_30b_triggered();
+
 private:
   Ui::MainWindow *ui;
   QString m_appDir;
diff --git a/qmap/mainwindow.ui b/qmap/mainwindow.ui
index 3e4fe795e..6b8c65e58 100644
--- a/qmap/mainwindow.ui
+++ b/qmap/mainwindow.ui
@@ -435,6 +435,8 @@ p, li { white-space: pre-wrap; }
     <addaction name="actionDelete_all_iq_files_in_SaveDir"/>
     <addaction name="separator"/>
     <addaction name="actionExport_wav_file_at_fQSO"/>
+    <addaction name="actionExport_wav_file_at_fQSO_30a"/>
+    <addaction name="actionExport_wav_file_at_fQSO_30b"/>
     <addaction name="actionSettings"/>
     <addaction name="separator"/>
     <addaction name="actionExit"/>
@@ -858,7 +860,17 @@ p, li { white-space: pre-wrap; }
   </action>
   <action name="actionExport_wav_file_at_fQSO">
    <property name="text">
-    <string>Export .wav file at fQSO</string>
+    <string>Export .wav file at fQSO (60 s)</string>
+   </property>
+  </action>
+  <action name="actionExport_wav_file_at_fQSO_30b">
+   <property name="text">
+    <string>Export .wav file at fQSO (30 s, second part)</string>
+   </property>
+  </action>
+  <action name="actionExport_wav_file_at_fQSO_30a">
+   <property name="text">
+    <string>Export .wav file at fQSO (30 s, first part)</string>
    </property>
   </action>
  </widget>