diff --git a/doc/crosstalk/img/Graph - 230 Ohm - Far end.png b/doc/crosstalk/img/Graph - 230 Ohm - Far end.png
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diff --git a/doc/crosstalk/img/Graph - 230 Ohm - Near end.png b/doc/crosstalk/img/Graph - 230 Ohm - Near end.png
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diff --git a/doc/crosstalk/img/Graph - 50 Ohm - Far end.png b/doc/crosstalk/img/Graph - 50 Ohm - Far end.png
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diff --git a/doc/crosstalk/img/Graph - 50 Ohm - Near end.png b/doc/crosstalk/img/Graph - 50 Ohm - Near end.png
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diff --git a/doc/crosstalk/img/Graph - Capacative - Far end.png b/doc/crosstalk/img/Graph - Capacative - Far end.png
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diff --git a/doc/crosstalk/img/Graph - Capacative - Near end.png b/doc/crosstalk/img/Graph - Capacative - Near end.png
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diff --git a/doc/crosstalk/img/Graph - Inductive - Far end.png b/doc/crosstalk/img/Graph - Inductive - Far end.png
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diff --git a/doc/crosstalk/img/Graph - Inductive - Near end.png b/doc/crosstalk/img/Graph - Inductive - Near end.png
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diff --git a/scripts/crosstalk.py b/scripts/crosstalk.py
new file mode 100644
index 0000000..1ee2b07
--- /dev/null
+++ b/scripts/crosstalk.py
@@ -0,0 +1,60 @@
+from matplotlib import pyplot as plt
+from matplotlib import patches as pat
+import numpy as np
+import reader
+
+# load data
+data_reader = reader.Reader()
+num = 14
+data = data_reader.read_file(f".\data\T00{num}ALL.csv")
+str_end = 'Near end' if num % 2 == 0 else 'Far end'
+str_desc = '230 Ohm'
+
+# FFT
+np_data1 = np.array(data['CH1'])
+np_data2 = np.array(data['CH2'])
+np_time = np.array(data['TIME'])
+X1 = np.fft.rfft(np_data1)
+X2 = np.fft.rfft(np_data2)
+N = np.fft.rfftfreq(len(np_data1), (np_time[1]-np_time[0]))
+
+phi1 = np.angle(X1, True)
+phi2 = np.angle(X2, True)
+diff_phi = phi1[np.argmax(abs(X1))]-phi2[np.argmax(abs(X2))]
+
+fig, ax = plt.subplots()
+plt.plot(data['TIME'], data['CH1'], label='CH1')
+plt.plot(data['TIME'], data['CH2'], label='CH2')
+
+handles, labels = ax.get_legend_handles_labels()
+patch = pat.Patch(
+    color='C0', 
+    label='pk-pk = ${:.2f}\ V$'.format(max(data['CH1'])-min(data['CH1'])))
+handles.append(patch)
+patch = pat.Patch(
+    color='C1', 
+    label='pk-pk = ${:.2f}\ V$'.format(max(data['CH2'])-min(data['CH2'])))
+handles.append(patch)
+patch = pat.Patch(
+    color='C0', 
+    label='F = ${:.1f}\ MHz$'.format(N[np.argmax(abs(X1))]/1e6))
+handles.append(patch)
+patch = pat.Patch(
+    color='C1', 
+    label='F = ${:.1f}\ MHz$'.format(N[np.argmax(abs(X2))]/1e6))
+handles.append(patch)
+patch = pat.Patch(
+    color='grey', 
+    label='$\Delta \phi$ = ${:.1f} \degree$'.format(diff_phi))
+handles.append(patch)
+
+plt.title('Voltage vs Time, ' + str_desc + ', ' +  str_end)
+plt.legend(loc='upper right', handles=handles)
+plt.grid()
+plt.xlabel('Time [s]')
+plt.ylabel('Voltage [V]')
+plt.xlim(data['TIME'][0], data['TIME'][-1])
+name = f'Graph - {str_desc} - {str_end}.png'
+plt.savefig(f'./doc/crosstalk/img/{name}')
+print('Saved:', name)
+# plt.show()
\ No newline at end of file
diff --git a/scripts/helper.py b/scripts/helper.py
index 18334da..794ecd2 100644
--- a/scripts/helper.py
+++ b/scripts/helper.py
@@ -14,4 +14,4 @@ def cut_time(data : dict, start : float, end : float) -> dict:
     if idx_end != 0 and idx_start != 0: 
         return {key: value[idx_start:idx_end] for key, value in data.items()}
     else:
-        return None
+        raise Exception("Start or end out of range")
diff --git a/scripts/reader.py b/scripts/reader.py
index 1f9e2bc..47d5cc8 100644
--- a/scripts/reader.py
+++ b/scripts/reader.py
@@ -7,7 +7,8 @@ class Reader():
     def read_file(self, filename) -> dict:
         with open(filename, 'r') as file:
             data = list(csv.reader(file, delimiter=','))
-            
+
+
             # Delete metadata for now
             for i in range(15):
                 data.pop(0)
diff --git a/scripts/reflection.py b/scripts/reflection.py
index c412a0d..076c29e 100644
--- a/scripts/reflection.py
+++ b/scripts/reflection.py
@@ -6,7 +6,7 @@ import helper
 
 # load data
 data_reader = reader.Reader()
-data = data_reader.read_file(r".\data\T0004CH1.csv")
+data = data_reader.read_file(r".\data\T0001CH1.csv")
 
 # slice empty space, start and end time is in seconds
 data = helper.cut_time(data, -1e-7, 5e-7)
@@ -41,5 +41,11 @@ if len(peaks) > 0:
             peak*step+data['TIME'][0], 
             min(data['CH1']), 
             max(data['CH1']), 'red', 'dashed')
+plt.xlabel('Time [s]')
+plt.ylabel('Voltage [V]')
+plt.title('Voltage vs Time, $75 \Omega$ cable')
+plt.tight_layout()
+txt="$\Delta t\ =\ {:.2f}\ ns $".format(tim_diff*1e9)
+plt.figtext(0.54, 0.01, txt, wrap=True, horizontalalignment='center', fontsize=9)
 plt.grid()
 plt.show()