diff --git a/script/RFscan/ShottkyScan.py b/script/RFscan/ShottkyScan.py
index 2df2fbf..1c36c99 100644
--- a/script/RFscan/ShottkyScan.py
+++ b/script/RFscan/ShottkyScan.py
@@ -40,3 +40,11 @@ finally:
 phase_ref = 80.0
 phase_offset = - phase_ref
 caput("SINEG01-RSYS:CALC-VSUM-PHASE-OFFSET", phase_offset)
+
+
+#Setting the return value
+#set_return(50.0)
+y = r.getReadable(0) 
+x = r.getPositions(0) 
+index_max = y.indexOf(max(y)) 
+_=x[index_max]
\ No newline at end of file