diff --git a/schainpy2/Data/JROData.py b/schainpy2/Data/JROData.py
index 10120c0..5d0a31a 100644
--- a/schainpy2/Data/JROData.py
+++ b/schainpy2/Data/JROData.py
@@ -11,7 +11,7 @@ import numpy
 path = os.path.split(os.getcwd())[0]
 sys.path.append(path)
 
-from IO.JROHeader import SystemHeader, RadarControllerHeader
+from IO.JROHeaderIO import SystemHeader, RadarControllerHeader
 
 class JROData:
     
@@ -73,4 +73,99 @@ class JROData:
 
     def deepcopy(self):
         
-        return copy.deepcopy(self)
\ No newline at end of file
+        return copy.deepcopy(self)
+    
+class Voltage(JROData):
+    
+    nCohInt = None
+    
+    data = None
+    
+    def __init__(self):
+        '''
+        Constructor
+        '''
+        
+        self.m_RadarControllerHeader = RadarControllerHeader()
+    
+        self.m_SystemHeader = SystemHeader()
+        
+        self.type = "Voltage"
+        
+        #data es un numpy array de 2 dmensiones ( canales, alturas)
+        self.data = None
+        
+        self.dtype = None
+        
+        self.nChannels = 0
+        
+        self.nHeights = 0
+        
+        self.nProfiles = None
+        
+        self.heightList = None
+        
+        self.channelList = None
+        
+        self.channelIndexList = None
+        
+        self.flagNoData = True
+        
+        self.flagTimeBlock = False
+        
+        self.dataUtcTime = None
+        
+        self.nCohInt = None
+
+class Spectra(JROData):
+    
+    data_spc = None
+    
+    data_cspc = None
+    
+    data_dc = None
+    
+    nFFTPoints = None
+    
+    nPairs = None
+    
+    pairsList = None
+    
+    nIncohInt = None
+    
+    def __init__(self):
+        '''
+        Constructor
+        '''
+        
+        self.m_RadarControllerHeader = RadarControllerHeader()
+    
+        self.m_SystemHeader = SystemHeader()
+        
+        self.type = "Spectra"
+        
+        #data es un numpy array de 2 dmensiones ( canales, alturas)
+#        self.data = None
+        
+        self.dtype = None
+        
+        self.nChannels = 0
+        
+        self.nHeights = 0
+        
+        self.nProfiles = None
+        
+        self.heightList = None
+        
+        self.channelList = None
+        
+        self.channelIndexList = None
+        
+        self.flagNoData = True
+        
+        self.flagTimeBlock = False
+        
+        self.dataUtcTime = None
+        
+        self.nIncohInt = None
+        
\ No newline at end of file
diff --git a/schainpy2/Data/Spectra.py b/schainpy2/Data/Spectra.py
deleted file mode 100644
index 19d350d..0000000
--- a/schainpy2/Data/Spectra.py
+++ /dev/null
@@ -1,66 +0,0 @@
-'''
-
-$Author$
-$Id$
-'''
-
-import os, sys
-import numpy
-
-path = os.path.split(os.getcwd())[0]
-sys.path.append(path)
-
-from JROData import JROData
-from IO.JROHeader import SystemHeader, RadarControllerHeader
-
-class Spectra(JROData):
-    data_spc = None
-    
-    data_cspc = None
-    
-    data_dc = None
-    
-    nFFTPoints = None
-    
-    nPairs = None
-    
-    pairsList = None
-    
-    nIncohInt = None
-    
-    def __init__(self):
-        '''
-        Constructor
-        '''
-        
-        self.m_RadarControllerHeader = RadarControllerHeader()
-    
-        self.m_SystemHeader = SystemHeader()
-        
-        self.type = "Spectra"
-        
-        #data es un numpy array de 2 dmensiones ( canales, alturas)
-#        self.data = None
-        
-        self.dtype = None
-        
-        self.nChannels = 0
-        
-        self.nHeights = 0
-        
-        self.nProfiles = None
-        
-        self.heightList = None
-        
-        self.channelList = None
-        
-        self.channelIndexList = None
-        
-        self.flagNoData = True
-        
-        self.flagTimeBlock = False
-        
-        self.dataUtcTime = None
-        
-        self.nIncohInt = None
-        
\ No newline at end of file
diff --git a/schainpy2/Data/Voltage.py b/schainpy2/Data/Voltage.py
deleted file mode 100644
index b3e4a8e..0000000
--- a/schainpy2/Data/Voltage.py
+++ /dev/null
@@ -1,56 +0,0 @@
-'''
-
-$Author$
-$Id$
-'''
-
-import os, sys
-import numpy
-
-path = os.path.split(os.getcwd())[0]
-sys.path.append(path)
-
-from JROData import JROData
-from IO.JROHeader import SystemHeader, RadarControllerHeader
-
-class Voltage(JROData):
-    
-    nCohInt = None
-    
-    data = None
-    
-    def __init__(self):
-        '''
-        Constructor
-        '''
-        
-        self.m_RadarControllerHeader = RadarControllerHeader()
-    
-        self.m_SystemHeader = SystemHeader()
-        
-        self.type = "Voltage"
-        
-        #data es un numpy array de 2 dmensiones ( canales, alturas)
-        self.data = None
-        
-        self.dtype = None
-        
-        self.nChannels = 0
-        
-        self.nHeights = 0
-        
-        self.nProfiles = None
-        
-        self.heightList = None
-        
-        self.channelList = None
-        
-        self.channelIndexList = None
-        
-        self.flagNoData = True
-        
-        self.flagTimeBlock = False
-        
-        self.dataUtcTime = None
-        
-        self.nCohInt = None
diff --git a/schainpy2/IO/JRODataIO.py b/schainpy2/IO/JRODataIO.py
index 5b9a27d..acde4e9 100644
--- a/schainpy2/IO/JRODataIO.py
+++ b/schainpy2/IO/JRODataIO.py
@@ -14,7 +14,7 @@ import time, datetime
 path = os.path.split(os.getcwd())[0]
 sys.path.append(path)
 
-from JROHeader import *
+from JROHeaderIO import *
 from Data.JROData import JROData
 
 def isNumber(str):
diff --git a/schainpy2/IO/JROHeader.py b/schainpy2/IO/JROHeaderIO.py
similarity index 100%
rename from schainpy2/IO/JROHeader.py
rename to schainpy2/IO/JROHeaderIO.py
diff --git a/schainpy2/IO/SpectraIO.py b/schainpy2/IO/SpectraIO.py
index 00e8d51..9c57381 100644
--- a/schainpy2/IO/SpectraIO.py
+++ b/schainpy2/IO/SpectraIO.py
@@ -13,13 +13,11 @@ import time, datetime
 path = os.path.split(os.getcwd())[0]
 sys.path.append(path)
 
-from IO.JROHeader import *
-from Data.Spectra import Spectra
-
+from JROHeaderIO import *
 from JRODataIO import JRODataReader
 from JRODataIO import JRODataWriter
-from JRODataIO import isNumber
 
+from Data.JROData import Spectra
 
 class SpectraReader(JRODataReader):
     """ 
@@ -51,7 +49,11 @@ class SpectraReader(JRODataReader):
             
             readerObj.getData()
             
-            print readerObj.dataOutObj.data
+            print readerObj.data_spc
+            
+            print readerObj.data_cspc
+            
+            print readerObj.data_dc
             
             if readerObj.flagNoMoreFiles:
                 break
@@ -375,7 +377,7 @@ class SpectraReader(JRODataReader):
         
         self.dataOutObj.radarControllerHeaderObj = self.radarControllerHeaderObj.copy()
 
-        return 1
+        return self.data_spc
 
 
 class SpectraWriter(JRODataWriter):
diff --git a/schainpy2/IO/VoltageIO.py b/schainpy2/IO/VoltageIO.py
index 78b526c..16c3f3c 100644
--- a/schainpy2/IO/VoltageIO.py
+++ b/schainpy2/IO/VoltageIO.py
@@ -13,11 +13,11 @@ import time, datetime
 path = os.path.split(os.getcwd())[0]
 sys.path.append(path)
 
-from JROHeader import *
+from JROHeaderIO import *
 from JRODataIO import JRODataReader
 from JRODataIO import JRODataWriter
 
-from Data.Voltage import Voltage
+from Data.JROData import Voltage
 
 class VoltageReader(JRODataReader):
     """
@@ -314,7 +314,7 @@ class VoltageReader(JRODataReader):
         
         self.dataOutObj.flagNoData = False
     
-        return 1
+        return self.dataOutObj.data
 
 
 class VoltageWriter(JRODataWriter):
diff --git a/schainpy2/Processing/SpectraProcessor.py b/schainpy2/Processing/SpectraProcessor.py
index 8faf03e..dd48641 100644
--- a/schainpy2/Processing/SpectraProcessor.py
+++ b/schainpy2/Processing/SpectraProcessor.py
@@ -11,7 +11,7 @@ import time
 path = os.path.split(os.getcwd())[0]
 sys.path.append(path)
 
-from Data.Spectra import Spectra
+from Data.JROData import Spectra
 from IO.SpectraIO import SpectraWriter
 #from Graphics.SpectraPlot import Spectrum
 #from JRONoise import Noise
diff --git a/schainpy2/Processing/VoltageProcessor.py b/schainpy2/Processing/VoltageProcessor.py
index ddcc99f..8b07725 100644
--- a/schainpy2/Processing/VoltageProcessor.py
+++ b/schainpy2/Processing/VoltageProcessor.py
@@ -12,11 +12,12 @@ import datetime
 path = os.path.split(os.getcwd())[0]
 sys.path.append(path)
 
-from Data.Voltage import Voltage
+from Data.JROData import Voltage
 from IO.VoltageIO import VoltageWriter
 from Graphics2.schainPlotTypes import ScopeFigure
 
 class VoltageProcessor:
+    
     dataInObj = None
     dataOutObj = None
     integratorObjIndex = None