Index: /trunk/Mars/hawc/callisto.C
===================================================================
--- /trunk/Mars/hawc/callisto.C	(revision 19748)
+++ /trunk/Mars/hawc/callisto.C	(revision 19749)
@@ -66,5 +66,5 @@
     // Range in which the pulse extraction searches for the
     // pulse (in samples).
-    const int first_slice = 270;
+    const int first_slice = 250;
     const int last_slice  = 330;