Index: /trunk/BNC/txt/frankfurt.tex
===================================================================
--- /trunk/BNC/txt/frankfurt.tex	(revision 5612)
+++ /trunk/BNC/txt/frankfurt.tex	(revision 5613)
@@ -370,4 +370,13 @@
 
 \begin{frame}
+  \frametitle{Data QC in BNC}
+  \begin{center}
+    \includegraphics[width=0.9\textwidth,angle=0]{bnc_qc1.png}
+  \end{center}
+\end {frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}
   \frametitle{Precise Point Positioning with PPP}
   \begin{center}