diff --git a/tools/meas.py b/tools/meas.py
index 938d1b2..ad5d3be 100644
--- a/tools/meas.py
+++ b/tools/meas.py
@@ -7,6 +7,7 @@ import time
 import serial
 import copy
 import binascii
+import matplotlib.pyplot as plt
 
 ###############################################################################
 
@@ -154,11 +155,8 @@ def cc_dataReceiverThread():
     incoming = []
     bytesToRead = ser.inWaiting()
     if bytesToRead > 0:
-      #print bytesToRead # TODO
       incoming = list(ser.read(64))
 
-      #print incoming # TODO
-
       # 2. process the received data
       for c in incoming:
         c = int(binascii.hexlify(c), 16)
@@ -348,6 +346,8 @@ if __name__ == "__main__":
 
   config_read = False
 
+  meas_data = []
+
   cc_init()
 
   # parse the commandline arguments
@@ -450,6 +450,8 @@ if __name__ == "__main__":
           print "a0: " + str(a0)
           print "a1: " + str(a1)
 
+          meas_data.append([ freq, a0, a1 ])
+
         elif e[1] == MSG_TYPE_CONFIG:
           print "recv: CONFIG"
           start_freq  = e[3][0] << 24
@@ -484,7 +486,36 @@ if __name__ == "__main__":
           if args.output_file != None:
             pass # TODO impl
           if args.show_graph == True:
-            pass # TODO impl
+            meas_freq = []
+            meas_ratio = []
+            meas_r = []
+            meas_p = []
+
+            for m in meas_data:
+
+              meas_freq.append(m[0])
+
+              if m[1] > m[2]:
+                meas_ratio.append(m[1] / m[2])
+              elif m[1] < m[2]:
+                meas_ratio.append(m[1] / m[2])
+              else:
+                meas_ratio.append(1)
+
+              # R = meas_data[0] * 5V / 1023
+              r = (m[1] * 5 / 1023)
+              meas_r.append(r)
+
+              # P = meas_data[0] * 5V ^ 2 / r
+              if r > 0:
+                meas_p.append((m[1] * 5)**2 / r)
+              else:
+                meas_p.append(0)
+
+            plt.plot(meas_freq, meas_ratio)
+            plt.plot(meas_freq, meas_r)
+            plt.plot(meas_freq, meas_p)
+            plt.show()
 
         else:
           print "err: unknown type 0x%02x" % (e[1])