8_PSK_Coded.grc

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.12'?>
<flow_graph>
  <timestamp>Tue Sep 23 18:05:57 2014</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value></value>
    </param>
    <param>
      <key>window_size</key>
      <value>2000,2000</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
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      <key>_coordinate</key>
      <value>(8, 11)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>hier_block_src_path</key>
      <value>.:</value>
    </param>
    <param>
      <key>id</key>
      <value>mpsk_stage3</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>qt_qss_theme</key>
      <value></value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>run_command</key>
      <value>{python} -u {filename}</value>
    </param>
    <param>
      <key>run_options</key>
      <value>prompt</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
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    <param>
      <key>sizing_mode</key>
      <value>fixed</value>
    </param>
    <param>
      <key>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value></value>
    </param>
    <param>
      <key>placement</key>
      <value>(0,0)</value>
    </param>
  </block>
  <block>
    <key>variable_cc_decoder_def</key>
    <param>
      <key>padding</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
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      <value>7</value>
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      <value>1</value>
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      <value>1</value>
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      <value>True</value>
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      <value>-1</value>
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      <value>2048</value>
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      <value>0</value>
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    <param>
      <key>id</key>
      <value>CD</value>
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      <key>value</key>
      <value>"ok"</value>
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      <key>ndim</key>
      <value>0</value>
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      <key>polys</key>
      <value>[79,109]</value>
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      <key>rate</key>
      <value>2</value>
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      <value>0</value>
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    <param>
      <key>mode</key>
      <value>fec.CC_STREAMING</value>
    </param>
  </block>
  <block>
    <key>variable_cc_encoder_def</key>
    <param>
      <key>padding</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>k</key>
      <value>7</value>
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    <param>
      <key>dim1</key>
      <value>1</value>
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    <param>
      <key>dim2</key>
      <value>1</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>framebits</key>
      <value>2048</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(456, 500)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>CE</value>
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      <key>ndim</key>
      <value>0</value>
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    <param>
      <key>polys</key>
      <value>[79,109]</value>
    </param>
    <param>
      <key>rate</key>
      <value>2</value>
    </param>
    <param>
      <key>state_start</key>
      <value>0</value>
    </param>
    <param>
      <key>mode</key>
      <value>fec.CC_STREAMING</value>
    </param>
  </block>
  <block>
    <key>variable_dummy_decoder_def</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>dim1</key>
      <value>1</value>
    </param>
    <param>
      <key>dim2</key>
      <value>1</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>framebits</key>
      <value>2048</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(592, 564)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>DD</value>
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    <param>
      <key>value</key>
      <value>"ok"</value>
    </param>
    <param>
      <key>ndim</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_dummy_encoder_def</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>dim1</key>
      <value>1</value>
    </param>
    <param>
      <key>dim2</key>
      <value>1</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>framebits</key>
      <value>2048</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(592, 500)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>DE</value>
    </param>
    <param>
      <key>ndim</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>9</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 604)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>0,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>delay</value>
    </param>
    <param>
      <key>label</key>
      <value>Delay time</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>1</value>
    </param>
    <param>
      <key>stop</key>
      <value>100</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>int</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(411, 9)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>excess_bw</value>
    </param>
    <param>
      <key>value</key>
      <value>0.35</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(400, 436)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>nfilts</value>
    </param>
    <param>
      <key>value</key>
      <value>32</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0.0001</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 364)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>0,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>noise_volt</value>
    </param>
    <param>
      <key>label</key>
      <value>Noise Voltage</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Vertical</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>0.01</value>
    </param>
    <param>
      <key>stop</key>
      <value>10</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_constellation</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const_points</key>
      <value>[-1-1j, -1+1j, 1+1j, 1-1j]</value>
    </param>
    <param>
      <key>type</key>
      <value>dqpsk</value>
    </param>
    <param>
      <key>dims</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(136, 12)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>qpsk2</value>
    </param>
    <param>
      <key>rot_sym</key>
      <value>4</value>
    </param>
    <param>
      <key>soft_dec_lut</key>
      <value>'auto'</value>
    </param>
    <param>
      <key>precision</key>
      <value>8</value>
    </param>
    <param>
      <key>sym_map</key>
      <value>[0, 1, 3, 2]</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(840, 4)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rrc_taps</value>
    </param>
    <param>
      <key>value</key>
      <value>firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(264, 12)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>48e3</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(344, 12)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>sps</value>
    </param>
    <param>
      <key>value</key>
      <value>4</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(576, 9)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>taps</value>
    </param>
    <param>
      <key>value</key>
      <value>[1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(504, 9)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>taps</value>
    </param>
    <param>
      <key>value</key>
      <value>[1.0 + 0.0j, ]</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>1.00</value>
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    <param>
      <key>_enabled</key>
      <value>1</value>
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    <param>
      <key>_coordinate</key>
      <value>(368, 340)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>0,2,1,1</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>time_offset</value>
    </param>
    <param>
      <key>label</key>
      <value>Timing Offset</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0.999</value>
    </param>
    <param>
      <key>step</key>
      <value>0.0001</value>
    </param>
    <param>
      <key>stop</key>
      <value>1.001</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
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  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>6.82/100</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(16, 484)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>0,3,1,1</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>timing_loop_bw</value>
    </param>
    <param>
      <key>label</key>
      <value>Time: BW</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0.0</value>
    </param>
    <param>
      <key>step</key>
      <value>0.01</value>
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    <param>
      <key>stop</key>
      <value>0.2</value>
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    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>slider</value>
    </param>
  </block>
  <block>
    <key>audio_sink</key>
    <param>
      <key>alias</key>
      <value></value>
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    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>device_name</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1312, 188)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>audio_sink_0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>ok_to_block</key>
      <value>True</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>48000</value>
    </param>
  </block>
  <block>
    <key>blocks_char_to_float</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(832, 308)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_char_to_float_0</value>
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    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>scale</key>
      <value>int(np.power(2,7)-1)</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_char_to_float</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1080, 324)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_char_to_float_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>scale</key>
      <value>127.0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_delay</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>delay</key>
      <value>delay</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(312, 700)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_delay_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_float_to_char</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(40, 212)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_float_to_char_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>scale</key>
      <value>int(np.power(2,7)-1)</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_pack_k_bits_bb</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(304, 188)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_pack_k_bits_bb_0</value>
    </param>
    <param>
      <key>k</key>
      <value>8</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_pack_k_bits_bb</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1072, 388)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_pack_k_bits_bb_0_0</value>
    </param>
    <param>
      <key>k</key>
      <value>8</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_pack_k_bits_bb</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(968, 184)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_pack_k_bits_bb_0_0_0</value>
    </param>
    <param>
      <key>k</key>
      <value>8</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_unpack_k_bits_bb</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(48, 124)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_unpack_k_bits_bb_0</value>
    </param>
    <param>
      <key>k</key>
      <value>8</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_unpacked_to_packed_xx</key>
    <param>
      <key>bits_per_chunk</key>
      <value>int(np.log2(arity))</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>endianness</key>
      <value>gr.GR_MSB_FIRST</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(808, 260)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_unpacked_to_packed_xx_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
  </block>
  <block>
    <key>blocks_wavfile_source</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>file</key>
      <value>/Users/marcusbunn/Documents/engtelecom/SDR/bob.wav</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(120, 340)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_wavfile_source_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>nchan</key>
      <value>1</value>
    </param>
    <param>
      <key>repeat</key>
      <value>False</value>
    </param>
  </block>
  <block>
    <key>channels_channel_model</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>block_tags</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>epsilon</key>
      <value>time_offset</value>
    </param>
    <param>
      <key>freq_offset</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(560, 68)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>channels_channel_model_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>noise_voltage</key>
      <value>noise_volt</value>
    </param>
    <param>
      <key>seed</key>
      <value>0</value>
    </param>
    <param>
      <key>taps</key>
      <value>taps</value>
    </param>
  </block>
  <block>
    <key>digital_constellation_decoder_cb</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>constellation</key>
      <value>qpsk2</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(800, 212)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_constellation_decoder_cb_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_constellation_modulator</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>constellation</key>
      <value>qpsk2</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>differential</key>
      <value>True</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>excess_bw</key>
      <value>excess_bw</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(376, 72)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_constellation_modulator_0</value>
    </param>
    <param>
      <key>log</key>
      <value>False</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samples_per_symbol</key>
      <value>sps</value>
    </param>
    <param>
      <key>verbose</key>
      <value>False</value>
    </param>
  </block>
  <block>
    <key>digital_constellation_soft_decoder_cf</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>constellation</key>
      <value>qpsk2</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(840, 476)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_constellation_soft_decoder_cf_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_costas_loop_cc</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(680, 324)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_costas_loop_cc_0</value>
    </param>
    <param>
      <key>w</key>
      <value>6.82/100</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>order</key>
      <value>4</value>
    </param>
    <param>
      <key>use_snr</key>
      <value>False</value>
    </param>
  </block>
  <block>
    <key>digital_pfb_clock_sync_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>filter_size</key>
      <value>nfilts</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(496, 204)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_pfb_clock_sync_xxx_0</value>
    </param>
    <param>
      <key>init_phase</key>
      <value>nfilts/2</value>
    </param>
    <param>
      <key>loop_bw</key>
      <value>timing_loop_bw</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>max_dev</key>
      <value>1.5</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>osps</key>
      <value>1</value>
    </param>
    <param>
      <key>sps</key>
      <value>sps*1.00</value>
    </param>
    <param>
      <key>taps</key>
      <value>rrc_taps</value>
    </param>
    <param>
      <key>type</key>
      <value>ccf</value>
    </param>
  </block>
  <block>
    <key>fec_extended_decoder</key>
    <param>
      <key>ann</key>
      <value>None</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decoder_list</key>
      <value>CD</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1032, 464)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fec_extended_decoder_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>puncpat</key>
      <value>'11'</value>
    </param>
    <param>
      <key>threadtype</key>
      <value>none</value>
    </param>
    <param>
      <key>value</key>
      <value>fec_extended_decoder</value>
    </param>
  </block>
  <block>
    <key>fec_extended_encoder</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>encoder_list</key>
      <value>CE</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(288, 260)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fec_extended_encoder_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>puncpat</key>
      <value>'11'</value>
    </param>
    <param>
      <key>threadtype</key>
      <value>none</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(760, 12)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>import_0</value>
    </param>
    <param>
      <key>import</key>
      <value>import numpy as np</value>
    </param>
  </block>
  <block>
    <key>qtgui_const_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(760, 56)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>1,0,1,2</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_const_sink_x_0</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>0.5</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value>RX Data</value>
    </param>
    <param>
      <key>marker1</key>
      <value>0</value>
    </param>
    <param>
      <key>style1</key>
      <value>0</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>marker10</key>
      <value>0</value>
    </param>
    <param>
      <key>style10</key>
      <value>0</value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>marker2</key>
      <value>0</value>
    </param>
    <param>
      <key>style2</key>
      <value>0</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>marker3</key>
      <value>0</value>
    </param>
    <param>
      <key>style3</key>
      <value>0</value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>marker4</key>
      <value>0</value>
    </param>
    <param>
      <key>style4</key>
      <value>0</value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>marker5</key>
      <value>0</value>
    </param>
    <param>
      <key>style5</key>
      <value>0</value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>marker6</key>
      <value>0</value>
    </param>
    <param>
      <key>style6</key>
      <value>0</value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>marker7</key>
      <value>0</value>
    </param>
    <param>
      <key>style7</key>
      <value>0</value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>marker8</key>
      <value>0</value>
    </param>
    <param>
      <key>style8</key>
      <value>0</value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>marker9</key>
      <value>0</value>
    </param>
    <param>
      <key>style9</key>
      <value>0</value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>name</key>
      <value></value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>size</key>
      <value>2048</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_mode</key>
      <value>qtgui.TRIG_MODE_FREE</value>
    </param>
    <param>
      <key>tr_slope</key>
      <value>qtgui.TRIG_SLOPE_POS</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>xmax</key>
      <value>2</value>
    </param>
    <param>
      <key>xmin</key>
      <value>-2</value>
    </param>
    <param>
      <key>ymax</key>
      <value>2</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-2</value>
    </param>
  </block>
  <block>
    <key>qtgui_const_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(768, 136)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>1,2,1,2</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_const_sink_x_0_0</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>0.5</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value>Timing Recov.</value>
    </param>
    <param>
      <key>marker1</key>
      <value>0</value>
    </param>
    <param>
      <key>style1</key>
      <value>0</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>marker10</key>
      <value>0</value>
    </param>
    <param>
      <key>style10</key>
      <value>0</value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>marker2</key>
      <value>0</value>
    </param>
    <param>
      <key>style2</key>
      <value>0</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>marker3</key>
      <value>0</value>
    </param>
    <param>
      <key>style3</key>
      <value>0</value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>marker4</key>
      <value>0</value>
    </param>
    <param>
      <key>style4</key>
      <value>0</value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>marker5</key>
      <value>0</value>
    </param>
    <param>
      <key>style5</key>
      <value>0</value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>marker6</key>
      <value>0</value>
    </param>
    <param>
      <key>style6</key>
      <value>0</value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>marker7</key>
      <value>0</value>
    </param>
    <param>
      <key>style7</key>
      <value>0</value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>marker8</key>
      <value>0</value>
    </param>
    <param>
      <key>style8</key>
      <value>0</value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>marker9</key>
      <value>0</value>
    </param>
    <param>
      <key>style9</key>
      <value>0</value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>name</key>
      <value></value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>size</key>
      <value>2048</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_mode</key>
      <value>qtgui.TRIG_MODE_FREE</value>
    </param>
    <param>
      <key>tr_slope</key>
      <value>qtgui.TRIG_SLOPE_POS</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>xmax</key>
      <value>2</value>
    </param>
    <param>
      <key>xmin</key>
      <value>-2</value>
    </param>
    <param>
      <key>ymax</key>
      <value>2</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-2</value>
    </param>
  </block>
  <block>
    <key>qtgui_time_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>ctrlpanel</key>
      <value>False</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>entags</key>
      <value>True</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1448, 664)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_time_sink_x_0</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value>Rx</value>
    </param>
    <param>
      <key>marker1</key>
      <value>-1</value>
    </param>
    <param>
      <key>style1</key>
      <value>1</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>marker10</key>
      <value>-1</value>
    </param>
    <param>
      <key>style10</key>
      <value>1</value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>marker2</key>
      <value>-1</value>
    </param>
    <param>
      <key>style2</key>
      <value>1</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>marker3</key>
      <value>-1</value>
    </param>
    <param>
      <key>style3</key>
      <value>1</value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>marker4</key>
      <value>-1</value>
    </param>
    <param>
      <key>style4</key>
      <value>1</value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>marker5</key>
      <value>-1</value>
    </param>
    <param>
      <key>style5</key>
      <value>1</value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>marker6</key>
      <value>-1</value>
    </param>
    <param>
      <key>style6</key>
      <value>1</value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>marker7</key>
      <value>-1</value>
    </param>
    <param>
      <key>style7</key>
      <value>1</value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>marker8</key>
      <value>-1</value>
    </param>
    <param>
      <key>style8</key>
      <value>1</value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>marker9</key>
      <value>-1</value>
    </param>
    <param>
      <key>style9</key>
      <value>1</value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>name</key>
      <value>RX</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>2</value>
    </param>
    <param>
      <key>size</key>
      <value>1024</value>
    </param>
    <param>
      <key>srate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>stemplot</key>
      <value>False</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_delay</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_mode</key>
      <value>qtgui.TRIG_MODE_FREE</value>
    </param>
    <param>
      <key>tr_slope</key>
      <value>qtgui.TRIG_SLOPE_POS</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>ylabel</key>
      <value>Amplitude</value>
    </param>
    <param>
      <key>yunit</key>
      <value>""</value>
    </param>
    <param>
      <key>ymax</key>
      <value>1</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-1</value>
    </param>
  </block>
  <connection>
    <source_block_id>blocks_char_to_float_0</source_block_id>
    <sink_block_id>fec_extended_decoder_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_char_to_float_0_0</source_block_id>
    <sink_block_id>audio_sink_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_char_to_float_0_0</source_block_id>
    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_delay_0</source_block_id>
    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
    <source_key>0</source_key>
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