diff --git a/lib/fst240/gen_fst240wave.f90 b/lib/fst240/gen_fst240wave.f90
index 3005968b2..0df62c1b7 100644
--- a/lib/fst240/gen_fst240wave.f90
+++ b/lib/fst240/gen_fst240wave.f90
@@ -8,13 +8,11 @@ subroutine gen_fst240wave(itone,nsym,nsps,nwave,fsample,hmod,f0,    &
   real, allocatable :: dphi(:)
   integer hmod
   integer itone(nsym)
-!  integer*8 count0,count1,clkfreq
   logical first
   data first/.true./
   data nsps0/-99/
   save first,twopi,dt,tsym,nsps0,ctab
 
-!  call system_clock(count0,clkfreq)
   if(first) then
      twopi=8.0*atan(1.0)
      do i=0,NTAB-1
@@ -88,11 +86,6 @@ subroutine gen_fst240wave(itone,nsym,nsps,nwave,fsample,hmod,f0,    &
           (1.0+cos(twopi*(/(i,i=0,nsps/4-1)/)/real(nsps/2)))/2.0
      cwave=cshift(cwave,kshift)
   endif
-
-!  call system_clock(count1,clkfreq)
-!  tt=float(count1-count0)/float(clkfreq)
-!  write(*,3001) tt
-!3001 format('Tgen:',f8.3)
   
   return
 end subroutine gen_fst240wave
diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 269fdc75f..575d43202 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -3888,12 +3888,11 @@ void MainWindow::guiUpdate()
             if(m_TRperiod==120) nsps=8200;
             if(m_TRperiod==300) nsps=21168;
             nsps=4*nsps;                           //48000 Hz sampling
-            int nsym=164;
+            int nsym=160;
             float fsample=48000.0;
             float dfreq=hmod*fsample/nsps;
             float f0=ui->TxFreqSpinBox->value() - m_XIT + 1.5*dfreq;
-//            int nwave=(nsym+2)*nsps;
-            int nwave=48000 + 166*nsps;
+            int nwave=48000 + (nsym+2)*nsps;
             int icmplx=0;
             gen_fst240wave_(const_cast<int *>(itone),&nsym,&nsps,&nwave,
                     &fsample,&hmod,&f0,&icmplx,foxcom_.wave,foxcom_.wave);