Index: trunk/MagicSoft/Mars/msignal/MExtractTimeAndChargeDigitalFilter.cc
===================================================================
--- trunk/MagicSoft/Mars/msignal/MExtractTimeAndChargeDigitalFilter.cc	(revision 5541)
+++ trunk/MagicSoft/Mars/msignal/MExtractTimeAndChargeDigitalFilter.cc	(revision 5542)
@@ -166,4 +166,13 @@
         }
     }
+  // 
+  // We need here the effective number of samples which is about 2.5 in the case of a window
+  // size of 6. The exact numbers have to be found still.
+  //
+  fNumHiGainSamples = (Float_t)fWindowSizeHiGain/2.4;
+  fNumLoGainSamples = (Float_t)fWindowSizeLoGain/2.4;
+  fSqrtHiGainSamples = TMath::Sqrt(fNumHiGainSamples);
+  fSqrtLoGainSamples = TMath::Sqrt(fNumLoGainSamples);
+
 }