From 4b9720a2e666b87d67c06adec976912d10020932 Mon Sep 17 00:00:00 2001
From: Bill Somerville <bill@classdesign.com>
Date: Fri, 5 Mar 2021 17:27:23 +0000
Subject: [PATCH 1/2] Updated sample .WAV files build script

---
 samples/CMakeLists.txt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/samples/CMakeLists.txt b/samples/CMakeLists.txt
index d074bdf30..2489b1922 100644
--- a/samples/CMakeLists.txt
+++ b/samples/CMakeLists.txt
@@ -21,7 +21,6 @@ set (SAMPLE_FILES
   JT9/130418_1742.wav
   MSK144/181211_120500.wav
   MSK144/181211_120800.wav
-  QRA64/QRA64C/161113_0111.wav
   WSPR/150426_0918.wav
   Q65/30A_Ionoscatter_6m/201203_022700.wav
   Q65/30A_Ionoscatter_6m/201203_022800.wav

From ee05f5fed514cf2eb4282e65db21ab8b7781ea26 Mon Sep 17 00:00:00 2001
From: Steven Franke <s.j.franke@icloud.com>
Date: Fri, 5 Mar 2021 13:00:28 -0600
Subject: [PATCH 2/2] Make CPlotter::draw bail out if it sees bad data in
 red.dat.

---
 widgets/plotter.cpp | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/widgets/plotter.cpp b/widgets/plotter.cpp
index 14c13a50d..14aef1d15 100644
--- a/widgets/plotter.cpp
+++ b/widgets/plotter.cpp
@@ -283,20 +283,22 @@ void CPlotter::draw(float swide[], bool bScroll, bool bRed)
       int x,y;
       float freq,xdt,sync,sync2;
       f >> xdt;
-      for(int i=0; i<99999; i++) {
-        f >> freq >> sync >> sync2;
-        if(f.eof()) break;
-        x=XfromFreq(freq);
-        if(sync > -99.0 and sync != 0.0) {
-          y=m_h2*(0.9 - 0.09*gain2d*sync) - m_plot2dZero - 10;
-          LineBuf2[k2].setX(x);                          //Red sync curve
-          LineBuf2[k2].setY(y);
-          k2++;
+      if(f) {
+        for(int i=0; i<99999; i++) {
+          f >> freq >> sync >> sync2;
+          if(!f or f.eof()) break;
+          x=XfromFreq(freq);
+          if(sync > -99.0 and sync != 0.0) {
+            y=m_h2*(0.9 - 0.09*gain2d*sync) - m_plot2dZero - 10;
+            LineBuf2[k2].setX(x);                          //Red sync curve
+            LineBuf2[k2].setY(y);
+            k2++;
+          }
+          y=m_h2*(0.9 - 0.09*gain2d*sync2) - m_plot2dZero;
+          LineBuf3[k].setX(x);                            //Orange sync curve
+          LineBuf3[k].setY(y);
+          k++;
         }
-        y=m_h2*(0.9 - 0.09*gain2d*sync2) - m_plot2dZero;
-        LineBuf3[k].setX(x);                            //Orange sync curve
-        LineBuf3[k].setY(y);
-        k++;
       }
       f.close();
      QPen pen0(Qt::red,2);