mpsk_stage6.grc

<?xml version='1.0' encoding='ASCII'?>
<?grc format='1' created='3.7.6'?>
<flow_graph>
  <timestamp>Tue Sep 23 18:10:10 2014</timestamp>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>taps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>False</value>
    </param>
    <param>
      <key>value</key>
      <value>[1.0 + 0.0j, ]</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(484, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>rrc_taps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(496, 355)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>nfilts</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>32</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(424, 355)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>arity</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>4</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(259, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>sps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>4</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(327, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>32000</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(170, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>excess_bw</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>0.35</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(394, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>taps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>[1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(552, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_throttle</key>
    <param>
      <key>id</key>
      <value>blocks_throttle_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>samples_per_second</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>ignoretag</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(224, 203)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>analog_random_source_x</key>
    <param>
      <key>id</key>
      <value>analog_random_source_x_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>256</value>
    </param>
    <param>
      <key>num_samps</key>
      <value>1000</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 75)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_constellation_modulator</key>
    <param>
      <key>id</key>
      <value>digital_constellation_modulator_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>constellation</key>
      <value>qpsk</value>
    </param>
    <param>
      <key>differential</key>
      <value>True</value>
    </param>
    <param>
      <key>samples_per_symbol</key>
      <value>sps</value>
    </param>
    <param>
      <key>excess_bw</key>
      <value>excess_bw</value>
    </param>
    <param>
      <key>verbose</key>
      <value>False</value>
    </param>
    <param>
      <key>log</key>
      <value>False</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(184, 75)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>options</key>
    <param>
      <key>id</key>
      <value>mpsk_stage6</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>title</key>
      <value></value>
    </param>
    <param>
      <key>author</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>window_size</key>
      <value>2000,2000</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>run_options</key>
      <value>prompt</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 11)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_pfb_clock_sync_xxx</key>
    <param>
      <key>id</key>
      <value>digital_pfb_clock_sync_xxx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>ccf</value>
    </param>
    <param>
      <key>sps</key>
      <value>sps</value>
    </param>
    <param>
      <key>loop_bw</key>
      <value>timing_loop_bw</value>
    </param>
    <param>
      <key>taps</key>
      <value>rrc_taps</value>
    </param>
    <param>
      <key>filter_size</key>
      <value>nfilts</value>
    </param>
    <param>
      <key>init_phase</key>
      <value>nfilts/2</value>
    </param>
    <param>
      <key>max_dev</key>
      <value>1.5</value>
    </param>
    <param>
      <key>osps</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(456, 211)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_cma_equalizer_cc</key>
    <param>
      <key>id</key>
      <value>digital_cma_equalizer_cc_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>num_taps</key>
      <value>15</value>
    </param>
    <param>
      <key>modulus</key>
      <value>1</value>
    </param>
    <param>
      <key>mu</key>
      <value>eq_gain</value>
    </param>
    <param>
      <key>sps</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(736, 83)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>channels_channel_model</key>
    <param>
      <key>id</key>
      <value>channels_channel_model_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>noise_voltage</key>
      <value>noise_volt</value>
    </param>
    <param>
      <key>freq_offset</key>
      <value>freq_offset</value>
    </param>
    <param>
      <key>epsilon</key>
      <value>time_offset</value>
    </param>
    <param>
      <key>taps</key>
      <value>taps</value>
    </param>
    <param>
      <key>seed</key>
      <value>0</value>
    </param>
    <param>
      <key>block_tags</key>
      <value>False</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(464, 75)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_costas_loop_cc</key>
    <param>
      <key>id</key>
      <value>digital_costas_loop_cc_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>w</key>
      <value>phase_bw</value>
    </param>
    <param>
      <key>order</key>
      <value>arity</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(696, 248)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>270</value>
    </param>
  </block>
  <block>
    <key>qtgui_const_sink_x</key>
    <param>
      <key>id</key>
      <value>qtgui_const_sink_x_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>name</key>
      <value>""</value>
    </param>
    <param>
      <key>size</key>
      <value>1024</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-2</value>
    </param>
    <param>
      <key>ymax</key>
      <value>2</value>
    </param>
    <param>
      <key>xmin</key>
      <value>-2</value>
    </param>
    <param>
      <key>xmax</key>
      <value>2</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>received@0: 0,0,1,1</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_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>label1</key>
      <value></value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>style1</key>
      <value>0</value>
    </param>
    <param>
      <key>marker1</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style2</key>
      <value>0</value>
    </param>
    <param>
      <key>marker2</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>color3</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style3</key>
      <value>0</value>
    </param>
    <param>
      <key>marker3</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>color4</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style4</key>
      <value>0</value>
    </param>
    <param>
      <key>marker4</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>color5</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style5</key>
      <value>0</value>
    </param>
    <param>
      <key>marker5</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>color6</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style6</key>
      <value>0</value>
    </param>
    <param>
      <key>marker6</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>color7</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style7</key>
      <value>0</value>
    </param>
    <param>
      <key>marker7</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>color8</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style8</key>
      <value>0</value>
    </param>
    <param>
      <key>marker8</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>color9</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style9</key>
      <value>0</value>
    </param>
    <param>
      <key>marker9</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>color10</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style10</key>
      <value>0</value>
    </param>
    <param>
      <key>marker10</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(811, 216)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>90</value>
    </param>
  </block>
  <block>
    <key>tutorial_my_qpsk_demod_cb</key>
    <param>
      <key>id</key>
      <value>tutorial_my_qpsk_demod_cb_1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>Gray_code</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(432, 435)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>qtgui_time_sink_x</key>
    <param>
      <key>id</key>
      <value>qtgui_time_sink_x_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>name</key>
      <value></value>
    </param>
    <param>
      <key>ylabel</key>
      <value>Amplitude</value>
    </param>
    <param>
      <key>yunit</key>
      <value>""</value>
    </param>
    <param>
      <key>size</key>
      <value>500</value>
    </param>
    <param>
      <key>srate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-1</value>
    </param>
    <param>
      <key>ymax</key>
      <value>4</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>entags</key>
      <value>True</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>received@1: 0,0,1,1</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_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_delay</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>label1</key>
      <value>Symbols</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>style1</key>
      <value>1</value>
    </param>
    <param>
      <key>marker1</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style2</key>
      <value>1</value>
    </param>
    <param>
      <key>marker2</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>style3</key>
      <value>1</value>
    </param>
    <param>
      <key>marker3</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>style4</key>
      <value>1</value>
    </param>
    <param>
      <key>marker4</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>style5</key>
      <value>1</value>
    </param>
    <param>
      <key>marker5</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>style6</key>
      <value>1</value>
    </param>
    <param>
      <key>marker6</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>style7</key>
      <value>1</value>
    </param>
    <param>
      <key>marker7</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>style8</key>
      <value>1</value>
    </param>
    <param>
      <key>marker8</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>style9</key>
      <value>1</value>
    </param>
    <param>
      <key>marker9</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>color10</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>style10</key>
      <value>1</value>
    </param>
    <param>
      <key>marker10</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(768, 435)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
  </block>
  <block>
    <key>blocks_char_to_float</key>
    <param>
      <key>id</key>
      <value>blocks_char_to_float_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>scale</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(768, 515)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_map_bb</key>
    <param>
      <key>id</key>
      <value>digital_map_bb_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>map</key>
      <value>[0,1,3,2]</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(496, 491)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
  </block>
  <block>
    <key>digital_diff_decoder_bb</key>
    <param>
      <key>id</key>
      <value>digital_diff_decoder_bb_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>modulus</key>
      <value>4</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(296, 491)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
  </block>
  <block>
    <key>blocks_unpack_k_bits_bb</key>
    <param>
      <key>id</key>
      <value>blocks_unpack_k_bits_bb_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>k</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(424, 555)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_char_to_float</key>
    <param>
      <key>id</key>
      <value>blocks_char_to_float_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>scale</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(616, 555)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>qtgui_time_sink_x</key>
    <param>
      <key>id</key>
      <value>qtgui_time_sink_x_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>name</key>
      <value></value>
    </param>
    <param>
      <key>ylabel</key>
      <value>Amplitude</value>
    </param>
    <param>
      <key>yunit</key>
      <value>""</value>
    </param>
    <param>
      <key>size</key>
      <value>500</value>
    </param>
    <param>
      <key>srate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-1</value>
    </param>
    <param>
      <key>ymax</key>
      <value>2</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>2</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>entags</key>
      <value>True</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>2,1,1,1</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_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_delay</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>label1</key>
      <value>Rx Bits</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>style1</key>
      <value>1</value>
    </param>
    <param>
      <key>marker1</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label2</key>
      <value>Tx Bits</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>style2</key>
      <value>1</value>
    </param>
    <param>
      <key>marker2</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>style3</key>
      <value>1</value>
    </param>
    <param>
      <key>marker3</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>style4</key>
      <value>1</value>
    </param>
    <param>
      <key>marker4</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>style5</key>
      <value>1</value>
    </param>
    <param>
      <key>marker5</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>style6</key>
      <value>1</value>
    </param>
    <param>
      <key>marker6</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>style7</key>
      <value>1</value>
    </param>
    <param>
      <key>marker7</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>style8</key>
      <value>1</value>
    </param>
    <param>
      <key>marker8</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>style9</key>
      <value>1</value>
    </param>
    <param>
      <key>marker9</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>color10</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>style10</key>
      <value>1</value>
    </param>
    <param>
      <key>marker10</key>
      <value>-1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(776, 571)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_delay</key>
    <param>
      <key>id</key>
      <value>blocks_delay_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>delay</key>
      <value>int(delay)</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(336, 603)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_unpack_k_bits_bb</key>
    <param>
      <key>id</key>
      <value>blocks_unpack_k_bits_bb_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>k</key>
      <value>8</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(96, 491)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_char_to_float</key>
    <param>
      <key>id</key>
      <value>blocks_char_to_float_0_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>scale</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(128, 603)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
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  <block>
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    <param>
      <key>id</key>
      <value>qpsk</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>sym_map</key>
      <value>[0, 1, 2, 3]</value>
    </param>
    <param>
      <key>const_points</key>
      <value>[0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]</value>
    </param>
    <param>
      <key>rot_sym</key>
      <value>4</value>
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    <param>
      <key>real_sect</key>
      <value>2</value>
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    <param>
      <key>imag_sect</key>
      <value>2</value>
    </param>
    <param>
      <key>w_real_sect</key>
      <value>1</value>
    </param>
    <param>
      <key>w_imag_sect</key>
      <value>1</value>
    </param>
    <param>
      <key>precision</key>
      <value>8</value>
    </param>
    <param>
      <key>softbits_lut</key>
      <value>None</value>
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    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(952, 155)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>id</key>
      <value>delay</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Delay</value>
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    <param>
      <key>value</key>
      <value>0</value>
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    <param>
      <key>start</key>
      <value>0</value>
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    <param>
      <key>stop</key>
      <value>200</value>
    </param>
    <param>
      <key>step</key>
      <value>1</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>1,0,1,1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1128, 187)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
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  <block>
    <key>qtgui_tab_widget</key>
    <param>
      <key>id</key>
      <value>received</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>num_tabs</key>
      <value>2</value>
    </param>
    <param>
      <key>label0</key>
      <value>Constellation</value>
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    <param>
      <key>label1</key>
      <value>Symbols</value>
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    <param>
      <key>label2</key>
      <value>Tab 2</value>
    </param>
    <param>
      <key>label3</key>
      <value>Tab 3</value>
    </param>
    <param>
      <key>label4</key>
      <value>Tab 4</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>2,0,1,1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1088, 315)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
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  <block>
    <key>qtgui_tab_widget</key>
    <param>
      <key>id</key>
      <value>controls</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>num_tabs</key>
      <value>2</value>
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    <param>
      <key>label0</key>
      <value>Channel</value>
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    <param>
      <key>label1</key>
      <value>Receiver</value>
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    <param>
      <key>label2</key>
      <value>Tab 2</value>
    </param>
    <param>
      <key>label3</key>
      <value>Tab 3</value>
    </param>
    <param>
      <key>label4</key>
      <value>Tab 4</value>
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    <param>
      <key>gui_hint</key>
      <value>0,0,1,2</value>
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    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(952, 315)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
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  <block>
    <key>variable_qtgui_range</key>
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      <key>id</key>
      <value>time_offset</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Timing Offset</value>
    </param>
    <param>
      <key>value</key>
      <value>1.00</value>
    </param>
    <param>
      <key>start</key>
      <value>0.999</value>
    </param>
    <param>
      <key>stop</key>
      <value>1.001</value>
    </param>
    <param>
      <key>step</key>
      <value>0.0001</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
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    <param>
      <key>gui_hint</key>
      <value>controls@0: 0,2,1,1</value>
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    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1224, 395)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
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  <block>
    <key>variable_qtgui_range</key>
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      <key>id</key>
      <value>eq_gain</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>label</key>
      <value>Equalizer: rate</value>
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    <param>
      <key>value</key>
      <value>0.01</value>
    </param>
    <param>
      <key>start</key>
      <value>0.0</value>
    </param>
    <param>
      <key>stop</key>
      <value>0.1</value>
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    <param>
      <key>step</key>
      <value>0.001</value>
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    <param>
      <key>widget</key>
      <value>slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>controls@1: 0,1,1,1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1080, 523)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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  <block>
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      <key>id</key>
      <value>phase_bw</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Phase: Bandwidth</value>
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    <param>
      <key>value</key>
      <value>6.28/100.0</value>
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    <param>
      <key>start</key>
      <value>0.0</value>
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    <param>
      <key>stop</key>
      <value>1.0</value>
    </param>
    <param>
      <key>step</key>
      <value>0.01</value>
    </param>
    <param>
      <key>widget</key>
      <value>slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>controls@1: 0,2,1,1</value>
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    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1208, 523)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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  </block>
  <block>
    <key>variable_qtgui_range</key>
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      <key>id</key>
      <value>noise_volt</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Noise Voltage</value>
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    <param>
      <key>value</key>
      <value>0.0001</value>
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    <param>
      <key>start</key>
      <value>0</value>
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    <param>
      <key>stop</key>
      <value>1</value>
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    <param>
      <key>step</key>
      <value>0.01</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Vertical</value>
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    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>controls@0: 0,0,1,1</value>
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    <param>
      <key>alias</key>
      <value></value>
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    <param>
      <key>_coordinate</key>
      <value>(952, 395)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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  <block>
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      <key>id</key>
      <value>freq_offset</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>label</key>
      <value>Frequency Offset</value>
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    <param>
      <key>value</key>
      <value>0</value>
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    <param>
      <key>start</key>
      <value>-0.1</value>
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    <param>
      <key>stop</key>
      <value>0.1</value>
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    <param>
      <key>step</key>
      <value>0.001</value>
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    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>controls@0: 0,1,1,1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1080, 395)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
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  <block>
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      <value>timing_loop_bw</value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
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      <value>Time: BW</value>
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    <param>
      <key>value</key>
      <value>6.28/100.0</value>
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    <param>
      <key>start</key>
      <value>0.0</value>
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    <param>
      <key>stop</key>
      <value>0.2</value>
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    <param>
      <key>step</key>
      <value>0.01</value>
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    <param>
      <key>widget</key>
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    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
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    <param>
      <key>min_len</key>
      <value>200</value>
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    <param>
      <key>gui_hint</key>
      <value>controls@1: 0,0,1,1</value>
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    <param>
      <key>alias</key>
      <value></value>
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    <param>
      <key>_coordinate</key>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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