diff --git a/astro.cpp b/astro.cpp
index f861a6ce2..c2ccbde3e 100644
--- a/astro.cpp
+++ b/astro.cpp
@@ -45,8 +45,8 @@ void Astro::astroUpdate(QDateTime t, QString mygrid, QString hisgrid,
 
   if(!astroBusy) {
     astroBusy=true;
-    astrosub_(&nyear, &month, &nday, &uth, &nfreq, mygrid.toAscii(),
-            hisgrid.toAscii(), &azsun, &elsun, &azmoon, &elmoon,
+    astrosub_(&nyear, &month, &nday, &uth, &nfreq, mygrid.toLatin1(),
+            hisgrid.toLatin1(), &azsun, &elsun, &azmoon, &elmoon,
             &azmoondx, &elmoondx, &ntsky, &ndop, &ndop00,&ramoon, &decmoon,
             &dgrd, &poloffset, &xnr, 6, 6);
     astroBusy=false;
diff --git a/devsetup.cpp b/devsetup.cpp
index bf98ae204..743231275 100644
--- a/devsetup.cpp
+++ b/devsetup.cpp
@@ -109,7 +109,7 @@ void DevSetup::initDlg()
   ui.mult570SpinBox->setValue(m_mult570);
   ui.mult570TxSpinBox->setValue(m_mult570Tx);
   ui.cal570SpinBox->setValue(m_cal570);
-  sscanf(m_colors.toAscii(),"%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x",
+  sscanf(m_colors.toLatin1(),"%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x",
          &r,&g,&b,&r0,&g0,&b0,&r1,&g1,&b1,&r2,&g2,&b2,&r3,&g3,&b3);
   updateColorLabels();
   ui.sbBackgroundRed->setValue(r);
diff --git a/getfile.cpp b/getfile.cpp
index 8178a4dd9..3cfba38cf 100644
--- a/getfile.cpp
+++ b/getfile.cpp
@@ -18,7 +18,7 @@ void getfile(QString fname, bool xpol, int dbDgrd, int nfast)
 
   memset(id,0,2*npts);
   char name[80];
-  strcpy(name,fname.toAscii());
+  strcpy(name,fname.toLatin1());
   FILE* fp=fopen(name,"rb");
 
   if(fp != NULL) {
@@ -66,7 +66,7 @@ void savetf2(QString fname, bool xpol, int nfast)
 
   qint16* buf=(qint16*)malloc(2*npts);
   char name[80];
-  strcpy(name,fname.toAscii());
+  strcpy(name,fname.toLatin1());
   FILE* fp=fopen(name,"wb");
 
   if(fp != NULL) {
diff --git a/libm65/four2a.f90 b/libm65/four2a.f90
index 9cad07bb0..e1fd72fdd 100644
--- a/libm65/four2a.f90
+++ b/libm65/four2a.f90
@@ -34,7 +34,8 @@ subroutine four2a(a,nfft,ndim,isign,iform)
      if(nfft.eq.nn(i) .and. isign.eq.ns(i) .and.                     &
           iform.eq.nf(i) .and. nloc.eq.nl(i)) go to 10
   enddo
-  if(nplan.ge.NPMAX) stop 'Too many FFTW plans requested.'
+!  if(nplan.ge.NPMAX) stop 'Too many FFTW plans requested.'
+  if(nplan.ge.NPMAX) call exit(1)
   nplan=nplan+1
   i=nplan
   nn(i)=nfft
@@ -76,7 +77,8 @@ subroutine four2a(a,nfft,ndim,isign,iform)
   else if(isign.eq.1 .and. iform.eq.-1) then
      call sfftw_plan_dft_c2r_1d(plan(i),nfft,a,a,nflags)
   else
-     stop 'Unsupported request in four2a'
+!     stop 'Unsupported request in four2a'
+     call exit(1)
   endif
   i=nplan
   if(nfft.le.NSMALL) then
diff --git a/libm65/nchar.f b/libm65/nchar.f
index 1da9a9813..a13148668 100644
--- a/libm65/nchar.f
+++ b/libm65/nchar.f
@@ -15,7 +15,7 @@ C  Convert ascii number, letter, or space to 0-36 for callsign packing.
          n=36
       else
          Print*,'Invalid character in callsign ',c,' ',ichar(c)
-         stop
+         call exit(1)
       endif
       nchar=n
 
diff --git a/main.cpp b/main.cpp
index 59441af50..3c045f667 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,10 @@
+#ifdef QT5
+#include <QtWidgets>
+#else
 #include <QtGui>
-#include <QtGui/QApplication>
+#endif
+#include <QApplication>
+
 #include "mainwindow.h"
 
 int main(int argc, char *argv[])
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 6cca43788..2c061b77a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -10,7 +10,7 @@
 #include "bandmap.h"
 #include "txtune.h"
 #include "sleep.h"
-#include <portaudio.h>
+#include "portaudio.h"
 
 #define NFFT 32768
 
@@ -157,8 +157,8 @@ MainWindow::MainWindow(QWidget *parent) :
   iqAmp=0;
   iqPhase=0;
 
-  ui->xThermo->setFillBrush(Qt::green);
-  ui->yThermo->setFillBrush(Qt::magenta);
+//  ui->xThermo->setFillBrush(Qt::green);
+//  ui->yThermo->setFillBrush(Qt::magenta);
 
 #ifdef WIN32
   while(true) {
@@ -530,8 +530,8 @@ void MainWindow::dataSink(int k)
   if(m_xpol) t.sprintf(" Rx noise: %5.1f  %5.1f %5.1f %% ",px,py,m_pctZap);
   if(!m_xpol) t.sprintf(" Rx noise: %5.1f  %5.1f %% ",px,m_pctZap);
   lab4->setText(t);
-  ui->xThermo->setValue((double)px);   //Update the bargraphs
-  ui->yThermo->setValue((double)py);
+//  ui->xThermo->setValue((double)px);   //Update the bargraphs
+//  ui->yThermo->setValue((double)py);
   if(m_monitoring || m_diskData) {
     g_pWideGraph->dataSink2(s,nkhz,ihsym,m_diskData,lstrong);
   }
@@ -1258,11 +1258,11 @@ void MainWindow::decode()                                       //decode()
   QString hcall=(ui->dxCallEntry->text()+"            ").mid(0,12);
   QString hgrid=(ui->dxGridEntry->text()+"      ").mid(0,6);
 
-  strncpy(datcom_.mycall, mcall.toAscii(), 12);
-  strncpy(datcom_.mygrid, mgrid.toAscii(), 6);
-  strncpy(datcom_.hiscall, hcall.toAscii(), 12);
-  strncpy(datcom_.hisgrid, hgrid.toAscii(), 6);
-  strncpy(datcom_.datetime, m_dateTime.toAscii(), 20);
+  strncpy(datcom_.mycall, mcall.toLatin1(), 12);
+  strncpy(datcom_.mygrid, mgrid.toLatin1(), 6);
+  strncpy(datcom_.hiscall, hcall.toLatin1(), 12);
+  strncpy(datcom_.hisgrid, hgrid.toLatin1(), 6);
+  strncpy(datcom_.datetime, m_dateTime.toLatin1(), 20);
 
   //newdat=1  ==> this is new data, must do the big FFT
   //nagain=1  ==> decode only at fQSO +/- Tol
@@ -1455,7 +1455,7 @@ void MainWindow::guiUpdate()
       f.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append);
       QTextStream out(&f);
       out << QDateTime::currentDateTimeUtc().toString("yyyy-MMM-dd hh:mm")
-          << "  Tx message:  " << QString::fromAscii(msgsent) << endl;
+          << "  Tx message:  " << QString::fromLatin1(msgsent) << endl;
       f.close();
     }
 
@@ -1466,8 +1466,8 @@ void MainWindow::guiUpdate()
   if(iptt==1 && iptt0==0) nc1=-9;    // TxDelay = 0.8 s
   if(nc1 <= 0) nc1++;
   if(nc1 == 0) {
-    ui->xThermo->setValue(0.0);   //Set the Thermos to zero
-    ui->yThermo->setValue(0.0);
+//    ui->xThermo->setValue(0.0);   //Set the Thermos to zero
+//    ui->yThermo->setValue(0.0);
     m_monitoring=false;
     soundInThread.setMonitoring(false);
     btxok=true;
@@ -1478,7 +1478,7 @@ void MainWindow::guiUpdate()
     f.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append);
     QTextStream out(&f);
     out << QDateTime::currentDateTimeUtc().toString("yyyy-MMM-dd hh:mm")
-        << "  Tx message:  " << QString::fromAscii(msgsent) << endl;
+        << "  Tx message:  " << QString::fromLatin1(msgsent) << endl;
     f.close();
   }
 
@@ -1579,8 +1579,8 @@ void MainWindow::guiUpdate()
     QString utc = " " + t.time().toString() + " ";
     ui->labUTC->setText(utc);
     if((!m_monitoring and !m_diskData) or (khsym==m_hsym0)) {
-      ui->xThermo->setValue(0.0);                      // Set Rx levels to 0
-      ui->yThermo->setValue(0.0);
+//      ui->xThermo->setValue(0.0);                      // Set Rx levels to 0
+//      ui->yThermo->setValue(0.0);
       lab4->setText(" Rx noise:    0.0     0.0  0.0% ");
     }
     m_hsym0=khsym;
diff --git a/mainwindow.h b/mainwindow.h
index fb6addcf8..0b2585dbb 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -1,6 +1,7 @@
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 #include <QtGui>
+#include <QtWidgets>
 #include <QLabel>
 #include <QTimer>
 #include <QDateTime>
@@ -10,6 +11,7 @@
 #include "soundout.h"
 #include "commons.h"
 #include "sleep.h"
+#include <QtConcurrent/QtConcurrent>
 
 #define NFFT 32768
 #define NSMAX 5760000
diff --git a/mainwindow.ui b/mainwindow.ui
index b603c5e28..714a66d09 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -93,7 +93,7 @@
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
 &lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Courier New'; font-size:10pt; font-weight:400; font-style:normal;&quot;&gt;
-&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
            </property>
            <property name="acceptRichText">
             <bool>false</bool>
@@ -243,68 +243,6 @@ p, li { white-space: pre-wrap; }
           </property>
          </widget>
         </item>
-        <item>
-         <widget class="QwtThermo" name="xThermo" native="true">
-          <property name="sizePolicy">
-           <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
-            <horstretch>0</horstretch>
-            <verstretch>0</verstretch>
-           </sizepolicy>
-          </property>
-          <property name="maximumSize">
-           <size>
-            <width>43</width>
-            <height>180</height>
-           </size>
-          </property>
-          <property name="borderWidth" stdset="0">
-           <number>1</number>
-          </property>
-          <property name="maxValue" stdset="0">
-           <double>60.000000000000000</double>
-          </property>
-          <property name="minValue" stdset="0">
-           <double>0.000000000000000</double>
-          </property>
-          <property name="pipeWidth" stdset="0">
-           <number>8</number>
-          </property>
-          <property name="value" stdset="0">
-           <double>0.000000000000000</double>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QwtThermo" name="yThermo" native="true">
-          <property name="sizePolicy">
-           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-            <horstretch>0</horstretch>
-            <verstretch>0</verstretch>
-           </sizepolicy>
-          </property>
-          <property name="maximumSize">
-           <size>
-            <width>12</width>
-            <height>177</height>
-           </size>
-          </property>
-          <property name="borderWidth" stdset="0">
-           <number>1</number>
-          </property>
-          <property name="maxValue" stdset="0">
-           <double>60.000000000000000</double>
-          </property>
-          <property name="minValue" stdset="0">
-           <double>0.000000000000000</double>
-          </property>
-          <property name="pipeWidth" stdset="0">
-           <number>8</number>
-          </property>
-          <property name="value" stdset="0">
-           <double>0.000000000000000</double>
-          </property>
-         </widget>
-        </item>
         <item>
          <layout class="QVBoxLayout" name="verticalLayout">
           <item>
@@ -854,7 +792,7 @@ p, li { white-space: pre-wrap; }
                <bool>true</bool>
               </property>
               <attribute name="buttonGroup">
-               <string>buttonGroup</string>
+               <string notr="true">buttonGroup</string>
               </attribute>
              </widget>
             </item>
@@ -882,7 +820,7 @@ p, li { white-space: pre-wrap; }
                <string/>
               </property>
               <attribute name="buttonGroup">
-               <string>buttonGroup</string>
+               <string notr="true">buttonGroup</string>
               </attribute>
              </widget>
             </item>
@@ -910,7 +848,7 @@ p, li { white-space: pre-wrap; }
                <string/>
               </property>
               <attribute name="buttonGroup">
-               <string>buttonGroup</string>
+               <string notr="true">buttonGroup</string>
               </attribute>
              </widget>
             </item>
@@ -938,7 +876,7 @@ p, li { white-space: pre-wrap; }
                <string/>
               </property>
               <attribute name="buttonGroup">
-               <string>buttonGroup</string>
+               <string notr="true">buttonGroup</string>
               </attribute>
              </widget>
             </item>
@@ -966,7 +904,7 @@ p, li { white-space: pre-wrap; }
                <string/>
               </property>
               <attribute name="buttonGroup">
-               <string>buttonGroup</string>
+               <string notr="true">buttonGroup</string>
               </attribute>
              </widget>
             </item>
@@ -994,7 +932,7 @@ p, li { white-space: pre-wrap; }
                <string/>
               </property>
               <attribute name="buttonGroup">
-               <string>buttonGroup</string>
+               <string notr="true">buttonGroup</string>
               </attribute>
              </widget>
             </item>
@@ -1613,11 +1551,6 @@ p, li { white-space: pre-wrap; }
    <extends>QTextBrowser</extends>
    <header>displaytext.h</header>
   </customwidget>
-  <customwidget>
-   <class>QwtThermo</class>
-   <extends>QWidget</extends>
-   <header>qwt_thermo.h</header>
-  </customwidget>
  </customwidgets>
  <resources/>
  <connections>
diff --git a/map65.iss b/map65.iss
index a695765f3..3347e92a5 100644
--- a/map65.iss
+++ b/map65.iss
@@ -1,7 +1,7 @@
 [Setup]
 AppName=MAP65
-AppVerName=MAP65 Version 2.5 r3603
-AppCopyright=Copyright (C) 2001-2013 by Joe Taylor, K1JT
+AppVerName=MAP65 Version 2.5 r3653
+AppCopyright=Copyright (C) 2001-2014 by Joe Taylor, K1JT
 DefaultDirName=c:\MAP65
 DefaultGroupName=MAP65
 
@@ -17,7 +17,6 @@ Source: "c:\Users\joe\wsjt\map65_install\wisdom2.bat";       DestDir: "{app}";
 Source: "c:\Users\joe\wsjt\map65_install\afmhot.dat";        DestDir: "{app}";
 Source: "c:\Users\joe\wsjt\map65_install\blue.dat";          DestDir: "{app}";
 Source: "c:\Users\joe\wsjt\map65_install\qthid.exe";         DestDir: "{app}";
-
 Source: "c:\Users\joe\wsjt\QtSupport\*.dll";                 DestDir: "{sys}";  Flags: onlyifdoesntexist
 
 Source: "c:\Users\joe\wsjt\map65_install\save\dummy";        DestDir: "{app}\save";
diff --git a/map65.pro b/map65.pro
index a1d54e88d..b597cb73b 100644
--- a/map65.pro
+++ b/map65.pro
@@ -5,12 +5,15 @@
 #-------------------------------------------------
 
 QT       += core gui network
-CONFIG   += qwt thread
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+#CONFIG   += qwt thread
+CONFIG   += thread
 #CONFIG   += console
 
 TARGET = map65
 VERSION = 2.3.0
 TEMPLATE = app
+DEFINES = QT5
 
 win32 {
 DEFINES = WIN32
@@ -47,8 +50,6 @@ HEADERS  += mainwindow.h plotter.h soundin.h soundout.h \
             bandmap.h commons.h sleep.h astro.h displaytext.h \
     txtune.h
 
-DEFINES += __cplusplus
-
 FORMS    += mainwindow.ui about.ui devsetup.ui widegraph.ui \
     messages.ui bandmap.ui astro.ui \
     txtune.ui
@@ -63,16 +64,19 @@ LIBS += -lfftw3f -lportaudio -lgfortran
 }
 
 win32 {
-INCLUDEPATH += c:/qwt-6.0.1/include
+#INCLUDEPATH += c:/qwt-6.1.0/src
 LIBS += ../map65/libm65/libm65.a
 LIBS += ../map65/libfftw3f_win.a
-LIBS += ../QtSupport/palir-02.dll
+LIBS += /users/joe/wsjt/QtSupport/palir-02.dll
 LIBS += libwsock32
 LIBS += C:/MinGW/lib/libf95.a
 CONFIG(release) {
-   LIBS += C:/qwt-6.0.1/lib/qwt.dll
+#   LIBS += C:/qwt-6.1.0/lib/qwt.dll
 } else {
-   LIBS += C:/qwt-6.0.1/lib/qwtd.dll
+#   LIBS += C:/qwt-6.1.0/lib/qwtd.dll
 }
-LIBS += -lusb
+#LIBS += -lusb
+LIBS += /users/joe/linrad/3.37/libusb.a
+LIBS += -lQt5Concurrent
+#LIBS += c:\wsjt-env\Qt5\Tools\mingw48_32\i686-w64-mingw32\lib\libmingwex.a
 }
diff --git a/set570.cpp b/set570.cpp
index fef003c49..37c4fd7a3 100644
--- a/set570.cpp
+++ b/set570.cpp
@@ -17,7 +17,13 @@
 #include <string.h>  /* String function definitions */
 #include <unistd.h>  /* UNIX standard function definitions */
 #include <sys/time.h>
-#include <usb.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+//#include <usb.h>
+#include "/users/joe/linrad/3.37/usb.h"
 #include <QDebug>
 
 #define USB_SUCCESS	            0
diff --git a/widegraph.h b/widegraph.h
index 88c48e86f..c5862bdd6 100644
--- a/widegraph.h
+++ b/widegraph.h
@@ -1,5 +1,6 @@
 #ifndef WIDEGRAPH_H
 #define WIDEGRAPH_H
+#include <QtWidgets>
 #include <QDialog>
 
 namespace Ui {