Index: trunk/MagicSoft/Mars/datacenter/scripts/runcorsika
===================================================================
--- trunk/MagicSoft/Mars/datacenter/scripts/runcorsika	(revision 9301)
+++ trunk/MagicSoft/Mars/datacenter/scripts/runcorsika	(revision 9336)
@@ -65,4 +65,7 @@
    # the detector, BZ is the vertical component (muT) downwards)
    echo "MAGNET 30.3 24.1"
+   # Rotation angle between array x-direction and magnetic north direction
+   # positive if array x-direction points to the west
+   echo "ARRANG -7.0"
    # Atmosphere
    echo "ATMOSPHERE 11 T"
