diff --git a/libm65/specjtms.f90 b/libm65/specjtms.f90
index 8da7ed3fb..37f35e1e3 100644
--- a/libm65/specjtms.f90
+++ b/libm65/specjtms.f90
@@ -37,6 +37,12 @@ subroutine specjtms(k,px,pxsmo,spk0,f0)
   rms=sqrt(sq)
   px=db(sq) - 23.0
   pxsmo=db(sqsmo) - 23.0
+
+  do i=i0,ia-1
+     d=id(i)
+     sq=sq + d*d
+  enddo
+  sq0=sq
 !  write(13,1010) t,rms,sq,px,pxsmo
 !1010 format(5f12.3)
   if(k.lt.nfft) return
@@ -65,20 +71,25 @@ subroutine specjtms(k,px,pxsmo,spk0,f0)
   
   call four2a(cx2,nfft,1,-1,1)                   !Forward c2c FFT of cx2
 
-  spk0=0.
   j0=nint(2.0*1428.57/df)
   ja=j0-107
   jb=j0+107
   do j=ja,jb
-     sq=1.e-4*(real(cx2(j))**2 + aimag(cx2(j))**2)
-     s2(j-ja+1)=sq
-     if(sq.gt.spk0) then
-        spk0=sq
-        f=(j-1)*df
+     s2(j-ja+1)=1.e-4*(real(cx2(j))**2 + aimag(cx2(j))**2)
+  enddo
+
+  spk0=0.
+  fac=(5e8/sq0)**2
+  s2=fac*s2
+  do j=1,215
+     if(s2(j).gt.spk0) then
+        spk0=s2(j)
+        f=(j+ja-1)*df
         f0=0.5*(f-3000.0)
         phi0=0.5*atan2(aimag(cx2(j)),real(cx2(j)))
      endif
   enddo
+
   spk0=0.5*db(spk0) - 7.0
   kline=k/2048
 !  write(14,3001) k/2048,spk0,f0,phi0
diff --git a/mainwindow.cpp b/mainwindow.cpp
index d30482bb8..1ca820341 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -420,8 +420,22 @@ void MainWindow::dataSink(int k)
   float pxave=10.0*log10(sqave/2048.0) - 23.0;
 
   specjtms_(&k,&px,&pxsmo,&spk0,&f0);
-//  if(spk0 > 3.0) qDebug() << (k-2048.0)/48000.0 << spk0 << f0;
   QString t;
+  if(spk0 > 2.0) {
+    qint64 ms = QDateTime::currentMSecsSinceEpoch() % 86400000;
+    int isec=ms/1000;
+    int imin=ms/60000;
+    int ihr=imin/60;
+    imin=imin % 60;
+    isec=isec % 60;
+    if(isec<30) isec=0;
+    if(isec>30) isec=30;
+    int nutc=10000*ihr + 100*imin + isec;
+    t.sprintf("%6.6d  %4.1f   %4.1f   %4d",nutc,(k-2048.0)/48000.0,
+              spk0,int(f0));
+    ui->decodedTextBrowser->append(t);
+  }
+
   t.sprintf(" Rx noise: %5.1f ",pxave);
   lab2->setText(t);
   ui->xThermo->setValue((double)px);                      //Update the Thermo
diff --git a/mainwindow.ui b/mainwindow.ui
index 575492715..99cf35459 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -53,7 +53,7 @@
          </size>
         </property>
         <property name="title">
-         <string>   Freq        DF      Pol      UTC         DT        dB                                                                        KV       DS          TxPol</string>
+         <string>         UTC              T                dB                DF</string>
         </property>
         <layout class="QVBoxLayout" name="verticalLayout_9">
          <item>
diff --git a/plotter.cpp b/plotter.cpp
index 6ff50f95a..f42d5faf1 100644
--- a/plotter.cpp
+++ b/plotter.cpp
@@ -1,6 +1,7 @@
 #include "plotter.h"
 #include <math.h>
 #include <QDebug>
+#include <algorithm>
 
 #define MAX_SCREENSIZE 2048
 
@@ -141,9 +142,9 @@ void CPlotter::draw(float green[], int ig)                       //draw()
     if(2*i < 215) {
       if(m_2Dspec) {
         y=10.0*log10(0.5*(mscom_.s2[2*i-1] + mscom_.s2[2*i]));
-        y1 = 5.0*gain*(y + 13 - m_plotZero);
+        y1 = 5.0*gain*(y + 20 - m_plotZero);
       } else {
-        y=10.0*log10(0.5*(mscom_.s1[2*i-1] + mscom_.s1[2*i]));
+        y=10.0*log10(std::max(mscom_.s1[2*i-1],mscom_.s1[2*i]));
         y1 = 5.0*gain*(y + 55 - m_plotZero);
       }
     } else {