diff --git a/schainpy/model/graphics/jroplot_parameters.py b/schainpy/model/graphics/jroplot_parameters.py
index a089b81..06032b4 100644
--- a/schainpy/model/graphics/jroplot_parameters.py
+++ b/schainpy/model/graphics/jroplot_parameters.py
@@ -172,8 +172,7 @@ class GenericRTIPlot(Plot):
 
         self.ylabel = 'Height [km]'
         if not self.titles:
-            self.titles = self.data.parameters \
-                if self.data.parameters else ['Param {}'.format(x) for x in range(self.nrows)]
+            self.titles = ['Param {}'.format(x) for x in range(self.nrows)]
 
     def update(self, dataOut):
 
diff --git a/schainpy/model/io/bltrIO_spectra.py b/schainpy/model/io/bltrIO_spectra.py
index 4045f34..f98874d 100644
--- a/schainpy/model/io/bltrIO_spectra.py
+++ b/schainpy/model/io/bltrIO_spectra.py
@@ -1,16 +1,8 @@
 import os
 import sys
 import glob
-import fnmatch
-import datetime
-import time
-import re
-import h5py
 import numpy
 
-import pylab as plb
-from scipy.optimize import curve_fit
-from scipy import asarray as ar, exp
 
 SPEED_OF_LIGHT = 299792458
 SPEED_OF_LIGHT = 3e8
@@ -19,9 +11,9 @@ from .utils import folder_in_range
 
 import schainpy.admin
 from schainpy.model.data.jrodata import Spectra
-from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation, MPDecorator
+from schainpy.model.proc.jroproc_base import ProcessingUnit
 from schainpy.utils import log
-from schainpy.model.io.jroIO_base import JRODataReader
+
 
 def pol2cart(rho, phi):
     x = rho * numpy.cos(phi)
@@ -423,7 +415,6 @@ class BLTRSpectraReader (ProcessingUnit):
         copy = self.data_block.copy()
         spc = copy * numpy.conjugate(copy)
         self.data_spc = numpy.absolute(spc)  # valor absoluto o magnitud
-        self.dataOut.data_spc = self.data_spc
 
         cspc = self.data_block.copy()
         self.data_cspc = self.data_block.copy()
diff --git a/schainpy/model/io/jroIO_param.py b/schainpy/model/io/jroIO_param.py
index 4733785..9df02d5 100644
--- a/schainpy/model/io/jroIO_param.py
+++ b/schainpy/model/io/jroIO_param.py
@@ -196,11 +196,11 @@ class HDFReader(Reader, ProcessingUnit):
 
         if self.description:
             for key, value in self.description['Metadata'].items():
-                meta[key] = self.fp[value].value
+                meta[key] = self.fp[value][()]
         else:
             grp = self.fp['Metadata']
             for name in grp:
-                meta[name] = grp[name].value            
+                meta[name] = grp[name][()]
 
         if self.extras:
             for key, value in self.extras.items():
@@ -217,26 +217,26 @@ class HDFReader(Reader, ProcessingUnit):
             for key, value in self.description['Data'].items():
                 if isinstance(value, str):
                     if isinstance(self.fp[value], h5py.Dataset):
-                        data[key] = self.fp[value].value
+                        data[key] = self.fp[value][()]
                     elif isinstance(self.fp[value], h5py.Group):
                         array = []
                         for ch in self.fp[value]:
-                            array.append(self.fp[value][ch].value)
+                            array.append(self.fp[value][ch][()])
                         data[key] = numpy.array(array)
                 elif isinstance(value, list):
                     array = []
                     for ch in value:
-                        array.append(self.fp[ch].value)
+                        array.append(self.fp[ch][()])
                     data[key] = numpy.array(array)
         else:
             grp = self.fp['Data']
             for name in grp:
                 if isinstance(grp[name], h5py.Dataset):
-                    array = grp[name].value
+                    array = grp[name][()]
                 elif isinstance(grp[name], h5py.Group):
                     array = []
                     for ch in grp[name]:
-                        array.append(grp[name][ch].value)
+                        array.append(grp[name][ch][()])
                     array = numpy.array(array)
                 else:
                     log.warning('Unknown type: {}'.format(name))
diff --git a/schainpy/model/proc/bltrproc_parameters.py b/schainpy/model/proc/bltrproc_parameters.py
index 3cc948c..8c109bf 100644
--- a/schainpy/model/proc/bltrproc_parameters.py
+++ b/schainpy/model/proc/bltrproc_parameters.py
@@ -5,14 +5,10 @@ Created on Oct 24, 2016
 '''
 
 import numpy
-import copy
 import datetime
 import time
-from time import gmtime
 
-from numpy import transpose
-
-from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation, MPDecorator
+from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation
 from schainpy.model.data.jrodata import Parameters
 
 
@@ -68,10 +64,11 @@ class BLTRParametersProc(ProcessingUnit):
         self.dataOut.data_param = self.dataOut.data[mode]
         self.dataOut.heightList = self.dataOut.height[0]
         self.dataOut.data_snr = self.dataOut.data_snr[mode]
+        SNRavg = numpy.average(self.dataOut.data_snr, axis=0)
+        SNRavgdB = 10*numpy.log10(SNRavg)
+        self.dataOut.data_snr_avg_db = SNRavgdB.reshape(1, *SNRavgdB.shape)
 
         if snr_threshold is not None:
-            SNRavg = numpy.average(self.dataOut.data_snr, axis=0)
-            SNRavgdB = 10*numpy.log10(SNRavg)
             for i in range(3):
                 self.dataOut.data_param[i][SNRavgdB <= snr_threshold] = numpy.nan