diff --git a/schainpy/controller.py b/schainpy/controller.py
index 067ef3d..1302ecf 100644
--- a/schainpy/controller.py
+++ b/schainpy/controller.py
@@ -610,34 +610,46 @@ if __name__ == '__main__':
 
     opObj10 = procUnitConfObj0.addOperation(name='selectHeights')
     opObj10.addParameter(name='minHei', value='90', format='float')
-    opObj10.addParameter(name='maxHei', value='300', format='float')
+    opObj10.addParameter(name='maxHei', value='180', format='float')
     
     opObj12 = procUnitConfObj0.addOperation(name='CohInt', optype='other')
     opObj12.addParameter(name='n', value='10', format='int')
     
-    opObj12 = procUnitConfObj0.addOperation(name='CohInt', optype='other')
-    opObj12.addParameter(name='n', value='2', format='int')
-    opObj12.addParameter(name='overlapping', value='1', format='int')
-    
     procUnitConfObj1 = controllerObj.addProcUnit(datatype='Spectra', inputId=procUnitConfObj0.getId())
     procUnitConfObj1.addParameter(name='nFFTPoints', value='32', format='int')
     
     opObj11 = procUnitConfObj1.addOperation(name='SpectraPlot', optype='other')
     opObj11.addParameter(name='idfigure', value='1', format='int')
-    opObj11.addParameter(name='wintitle', value='SpectraPlot', format='str')
+    opObj11.addParameter(name='wintitle', value='SpectraPlot0', format='str')
     opObj11.addParameter(name='zmin', value='40', format='int')
     opObj11.addParameter(name='zmax', value='90', format='int')
-    opObj11.addParameter(name='showprofile', value='1', format='int')
+    opObj11.addParameter(name='showprofile', value='1', format='int')  
+    
+    procUnitConfObj2 = controllerObj.addProcUnit(datatype='Voltage', inputId=procUnitConfObj0.getId())
+  
+    opObj12 = procUnitConfObj2.addOperation(name='CohInt', optype='other')
+    opObj12.addParameter(name='n', value='2', format='int')
+    opObj12.addParameter(name='overlapping', value='1', format='int')
 
-    opObj11 = procUnitConfObj1.addOperation(name='RTIPlot', optype='other')
-    opObj11.addParameter(name='idfigure', value='10', format='int')
-    opObj11.addParameter(name='wintitle', value='RTI', format='str')
-#    opObj11.addParameter(name='xmin', value='21', format='float')
-#    opObj11.addParameter(name='xmax', value='22', format='float')
+    procUnitConfObj3 = controllerObj.addProcUnit(datatype='Spectra', inputId=procUnitConfObj2.getId())
+    procUnitConfObj3.addParameter(name='nFFTPoints', value='32', format='int')
+    
+    opObj11 = procUnitConfObj3.addOperation(name='SpectraPlot', optype='other')
+    opObj11.addParameter(name='idfigure', value='2', format='int')
+    opObj11.addParameter(name='wintitle', value='SpectraPlot1', format='str')
     opObj11.addParameter(name='zmin', value='40', format='int')
     opObj11.addParameter(name='zmax', value='90', format='int')
-    opObj11.addParameter(name='showprofile', value='1', format='int')
-    opObj11.addParameter(name='timerange', value=str(60), format='int')
+#    opObj11.addParameter(name='showprofile', value='1', format='int') 
+
+#    opObj11 = procUnitConfObj1.addOperation(name='RTIPlot', optype='other')
+#    opObj11.addParameter(name='idfigure', value='10', format='int')
+#    opObj11.addParameter(name='wintitle', value='RTI', format='str')
+##    opObj11.addParameter(name='xmin', value='21', format='float')
+##    opObj11.addParameter(name='xmax', value='22', format='float')
+#    opObj11.addParameter(name='zmin', value='40', format='int')
+#    opObj11.addParameter(name='zmax', value='90', format='int')
+#    opObj11.addParameter(name='showprofile', value='1', format='int')
+#    opObj11.addParameter(name='timerange', value=str(60), format='int')
     
 #    opObj10 = procUnitConfObj1.addOperation(name='selectChannels')
 #    opObj10.addParameter(name='channelList', value='0,2,4,6', format='intlist')
diff --git a/schainpy/model/jroprocessing.py b/schainpy/model/jroprocessing.py
index a9d9c23..97ec0e5 100644
--- a/schainpy/model/jroprocessing.py
+++ b/schainpy/model/jroprocessing.py
@@ -798,22 +798,24 @@ class IncohInt(Operation):
         #Overlapping data
         nChannels, nFFTPoints, nHeis = data_spc.shape
         data_spc = numpy.reshape(data_spc, (1, nChannels, nFFTPoints, nHeis))
-        data_cspc = numpy.reshape(data_cspc, (1, -1, nFFTPoints, nHeis))
-        data_dc = numpy.reshape(data_dc, (1, -1, nHeis))
+        if data_cspc != None:
+            data_cspc = numpy.reshape(data_cspc, (1, -1, nFFTPoints, nHeis))
+        if data_dc != None:
+            data_dc = numpy.reshape(data_dc, (1, -1, nHeis))
         
         #If the buffer is empty then it takes the data value
         if self.__buffer_spc == None:
-            self.__buffer_spc = data_spc.copy()
+            self.__buffer_spc = data_spc
             
             if data_cspc == None:
                 self.__buffer_cspc = None
             else:
-                self.__buffer_cspc += data_cspc.copy()
+                self.__buffer_cspc += data_cspc
             
             if data_dc == None:
                 self.__buffer_dc = None
             else:
-                self.__buffer_dc += data_dc.copy()
+                self.__buffer_dc += data_dc
                 
             self.__profIndex += 1
             return
@@ -822,10 +824,10 @@ class IncohInt(Operation):
         if self.__profIndex < self.n:
             self.__buffer_spc = numpy.vstack((self.__buffer_spc, data_spc))
             
-            if self.__buffer_cspc != None:
+            if data_cspc != None:
                 self.__buffer_cspc = numpy.vstack((self.__buffer_cspc, data_cspc))
             
-            if self.__buffer_dc != None:   
+            if data_dc != None: 
                 self.__buffer_dc = numpy.vstack((self.__buffer_dc, data_dc))
                 
             self.__profIndex += 1
@@ -835,11 +837,13 @@ class IncohInt(Operation):
         self.__buffer_spc = numpy.roll(self.__buffer_spc, -1, axis=0)
         self.__buffer_spc[self.n-1] = data_spc
         
-        self.__buffer_cspc = numpy.roll(self.__buffer_cspc, -1, axis=0)
-        self.__buffer_cspc[self.n-1] = data_cspc
+        if data_cspc != None:
+            self.__buffer_cspc = numpy.roll(self.__buffer_cspc, -1, axis=0)
+            self.__buffer_cspc[self.n-1] = data_cspc
         
-        self.__buffer_dc = numpy.roll(self.__buffer_dc, -1, axis=0)
-        self.__buffer_dc[self.n-1] = data_dc
+        if data_dc != None:
+            self.__buffer_dc = numpy.roll(self.__buffer_dc, -1, axis=0)
+            self.__buffer_dc[self.n-1] = data_dc
         
         self.__profIndex = self.n
         return