diff --git a/mainwindow.cpp b/mainwindow.cpp
index b3417e4..94733be 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1071,8 +1071,32 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
   auto frames = buildFT8MessageFrames("OH8STN:KN4CRD?");
   qDebug() << frames.first() << Varicode::unpackDirectedMessage(frames.first());
   qDebug() << Varicode::packGrid("EM73tu") << Varicode::unpackGrid(Varicode::packGrid("EM73tu"));
+
+  auto allbits = Varicode::huffEncode(QString("When simple things need instructions, it is a certain sign of poor design.\x04").toUpper());
+  qDebug() << "FTFrames" << qCeil((allbits.length()+(6+6+1))/13.0);
+  int lasti = 0;
+  int i = 0;
+  int frames = 0;
+  QVector<bool> nextFrame;
+  foreach(auto bits, allbits){
+      if(nextFrame.length() + bits.length() > (frames == 0 ? (8-3) : 64)){
+          // emit frame
+          qDebug() << "frame ready at" << i << "chars" << i-lasti << "size" << nextFrame.length() << "->" << Varicode::bitsToStr(nextFrame);
+          nextFrame.clear();
+          lasti = i;
+          frames++;
+      }
+
+      nextFrame += bits;
+      i++;
+  }
+  qDebug() << "frame ready at" << i << "size" << nextFrame.length() << "->" << Varicode::bitsToStr(nextFrame);
+  frames++;
+  qDebug() << "HuffFrames" << frames;
 #endif
 
+
+
   // this must be the last statement of constructor
   if (!m_valid) throw std::runtime_error {"Fatal initialization exception"};
 }
diff --git a/varicode.cpp b/varicode.cpp
index 86333b9..0dbedc0 100644
--- a/varicode.cpp
+++ b/varicode.cpp
@@ -489,7 +489,7 @@ QString Varicode::packDirectedMessage(const QString &text, int *n){
         quint8 packed_cmd = directed_cmds.indexOf(cmd.at(0));
         quint8 packed_extra = fromCRC;
 
-        // 3 + 28 + 28 + 5 = 64
+        // [3][28][28][5],[5] = 69
         auto bits = (
             Varicode::intToBits(packed_flag, 3)    +
             Varicode::intToBits(packed_from, 28)   +
@@ -509,6 +509,7 @@ QStringList Varicode::unpackDirectedMessage(const QString &text){
         return unpacked;
     }
 
+    // [3][28][28][5],[5] = 69
     auto bits = Varicode::bitsToStr(Varicode::intToBits(Varicode::unpack64bits(text.left(12)), 64));
     quint8 extra = Varicode::unpack5bits(text.right(1));