Index: /drsdaq/History.txt
===================================================================
--- /drsdaq/History.txt	(revision 78)
+++ /drsdaq/History.txt	(revision 79)
@@ -39,6 +39,4 @@
 16/6/2009   Data is not rotated by copying in memory, but by saving to disk in
     	    correct order using writev() (10% gain in rate)
-18/6/2009   Introduced dummy, zero-initialized elements in raw data format to
-    	    align ordering to MAGIC format. Run date is now calculated with a
-	    change to the next date on 13:00 UTC.
+18/6/2009   Run date is now calculated with a change to the next date on 13:00 UTC.
 	    
Index: /drsdaq/RawDataCTX.h
===================================================================
--- /drsdaq/RawDataCTX.h	(revision 78)
+++ /drsdaq/RawDataCTX.h	(revision 79)
@@ -33,7 +33,7 @@
 typedef float F32;
 
-#define MAGICNUM_OPEN 0xc0c1    // Magic number for run header while file open
-#define MAGICNUM_CLOSED 0xc0c0  //    ... and when file is closed
-#define MAGICNUM_ERROR 0xc0c2   //    ... and when an error occurred
+#define MAGICNUM_OPEN 0xe0e1    // Magic number for run header while file open
+#define MAGICNUM_CLOSED 0xe0e0  //    ... and when file is closed
+#define MAGICNUM_ERROR 0xe0e2   //    ... and when an error occurred
 
 // Error codes
@@ -55,5 +55,5 @@
   I32 SoftwareRevision;	// Subversion revision number (negative for modified working copy)
 
-  U32 _res1[2];
+  //U32 _res1[2];
   U32 Identification;
   U32 Type;          	// Run type: 0=data, 1=pedestal, 3=test
@@ -62,6 +62,6 @@
 
   I8  Description[100];
-  I8  _res2[140];
-  U32 _res3[6];
+  //I8  _res2[140];
+  //U32 _res3[6];
        
   U32 NBoards;	    	// Number of used mezzanine boards
@@ -73,7 +73,7 @@
 
   U32 Events;           // Number of events in the file
-  U32  _res4;
-  U32 NBytes;
-  I8  _res5[20];
+  //U32  _res4;
+  U32 NBytes;	    	// Bytes per sample
+  //I8  _res5[20];
   
   U32 StartSecond;  	// Opening and closing time of the file
@@ -85,5 +85,5 @@
 // Board structure
 typedef struct {
-  I8  _res[17];
+  //I8  _res[17];
   I32 SerialNo;     // Board serial number
   F32 NomFreq;	    // Nominal sampling frequency [GHz]
@@ -97,5 +97,5 @@
   U32 Second;          // Event time stamp (result of gettimeofday())
   U32 Microsecond;
-  U32 _res[4];
+  //U32 _res[4];
   U32 TriggerType;
   U32 EventSize; 	// Size of following data in bytes