diff --git a/schainpy/model/data/jrodata.py b/schainpy/model/data/jrodata.py
index 9514156..eaa0127 100644
--- a/schainpy/model/data/jrodata.py
+++ b/schainpy/model/data/jrodata.py
@@ -983,7 +983,7 @@ class Parameters(JROData):
     
     noise = None            #Noise Potency
     
-    initUtcTime = None      #Initial UTC time
+    utctimeInit = None      #Initial UTC time
     
     paramInterval = None    #Time interval to calculate Parameters in seconds
     
@@ -1017,8 +1017,8 @@ class Parameters(JROData):
         
         datatime = []
         
-        datatime.append(self.initUtcTime)
-        datatime.append(self.initUtcTime + self.outputInterval - 1)
+        datatime.append(self.utctimeInit)
+        datatime.append(self.utctimeInit + self.outputInterval - 1)
         
         datatime = numpy.array(datatime)
         
diff --git a/schainpy/model/graphics/jroplot_parameters.py b/schainpy/model/graphics/jroplot_parameters.py
index 1347c8f..f502fcc 100644
--- a/schainpy/model/graphics/jroplot_parameters.py
+++ b/schainpy/model/graphics/jroplot_parameters.py
@@ -678,7 +678,7 @@ class ParametersPlot(Figure):
         if channelList == None:
             channelIndexList = numpy.arange(data_param.shape[0])
         else:
-            channelIndexList = numpy.array(channelIndexList)
+            channelIndexList = numpy.array(channelList)
 
         nchan = len(channelIndexList) #Number of channels being plotted
         
@@ -698,7 +698,7 @@ class ParametersPlot(Figure):
 #        thisDatetime = dataOut.datatime
 
         if dataOut.data_SNR != None:
-            SNRarray = dataOut.data_SNR
+            SNRarray = dataOut.data_SNR[channelIndexList,:]
             SNRdB = 10*numpy.log10(SNRarray)
 #             SNRavgdB = 10*numpy.log10(SNRavg)
             ind = numpy.where(SNRdB < 10**(SNRthresh/10))