Index: trunk/FACT++/src/EventBuilderWrapper.h
===================================================================
--- trunk/FACT++/src/EventBuilderWrapper.h	(revision 11224)
+++ trunk/FACT++/src/EventBuilderWrapper.h	(revision 11225)
@@ -732,4 +732,5 @@
     DimDescribedService fDimDNA;
     DimDescribedService fDimTemperature;
+    DimDescribedService fDimRefClock;
     DimDescribedService fDimStatistics;
 
@@ -779,4 +780,5 @@
         fDimDNA         ("FAD_CONTROL/DNA",              "X:40", ""),
         fDimTemperature ("FAD_CONTROL/TEMPERATURE",      "F:82", ""),
+        fDimRefClock    ("FAD_CONTROL/REFERENCE_CLOCK",  "I:42", ""),
         fDimStatistics  ("FAD_CONTROL/STATISTICS",       "X:8",  ""),
         fDebugStream(false), fDebugRead(false)
@@ -1444,5 +1446,4 @@
         fNumConnected = con;
 
-
 	const FAD::EventHeader old = fVecHeader[id];
         fVecHeader[id] = h;
@@ -1480,4 +1481,6 @@
         }
 
+        // -----------
+
         static Time oldt(boost::date_time::neg_infin);
         Time newt;
@@ -1486,4 +1489,11 @@
         {
             oldt = newt;
+
+            // --- RefClock
+
+            const boost::array<uint32_t,42> clk = Compare(&h, &h.fFreqRefClock);
+            Update(fDimRefClock, clk);
+
+            // --- Temperatures
 
             const boost::array<int16_t,42> tmp[4] =