8magsvn – Rev 39

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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
  <timestamp>Sun Apr  8 10:21:08 2012</timestamp>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>decim</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>20</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(117, 277)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>xlate_offset_fine_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>False</value>
    </param>
    <param>
      <key>label</key>
      <value>Fine Offset</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>-10000</value>
    </param>
    <param>
      <key>max</key>
      <value>10000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>1000</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(11, 595)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>xlate_offset_fine</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Fine Offset</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>-10000</value>
    </param>
    <param>
      <key>max</key>
      <value>10000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>1000</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(11, 469)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>xlate_bandwidth</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Xlate BW</value>
    </param>
    <param>
      <key>value</key>
      <value>config_xlate_bandwidth</value>
    </param>
    <param>
      <key>min</key>
      <value>5000</value>
    </param>
    <param>
      <key>max</key>
      <value>50000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>1000</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(128, 469)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_text_box</key>
    <param>
      <key>id</key>
      <value>freq</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Frequency</value>
    </param>
    <param>
      <key>value</key>
      <value>config_freq</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 119)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>freq_offset</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>False</value>
    </param>
    <param>
      <key>label</key>
      <value>Offset</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>-100000</value>
    </param>
    <param>
      <key>max</key>
      <value>100000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>1000</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 213)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>pre_channel_rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>samp_rate/decim</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(228, 155)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_text_box</key>
    <param>
      <key>id</key>
      <value>xlate_offset</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Xlate Offset</value>
    </param>
    <param>
      <key>value</key>
      <value>config_xlate_offset</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(245, 469)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_config</key>
    <param>
      <key>id</key>
      <value>config_xlate_offset</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
    <param>
      <key>config_file</key>
      <value>.grc_rtl</value>
    </param>
    <param>
      <key>section</key>
      <value>main</value>
    </param>
    <param>
      <key>option</key>
      <value>xlate_offset</value>
    </param>
    <param>
      <key>writeback</key>
      <value>xlate_offset+xlate_offset_fine</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(12, 828)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_config</key>
    <param>
      <key>id</key>
      <value>config_freq</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>434075000</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
    <param>
      <key>config_file</key>
      <value>.grc_rtl</value>
    </param>
    <param>
      <key>section</key>
      <value>main</value>
    </param>
    <param>
      <key>option</key>
      <value>freq</value>
    </param>
    <param>
      <key>writeback</key>
      <value>freq</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(171, 828)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_config</key>
    <param>
      <key>id</key>
      <value>config_xlate_bandwidth</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>24000</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
    <param>
      <key>config_file</key>
      <value>.grc_rtl</value>
    </param>
    <param>
      <key>section</key>
      <value>main</value>
    </param>
    <param>
      <key>option</key>
      <value>xlate_bandwidth</value>
    </param>
    <param>
      <key>writeback</key>
      <value>xlate_bandwidth</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(327, 829)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>audio_mul</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Audio mul</value>
    </param>
    <param>
      <key>value</key>
      <value>1</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>10</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>100</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(116, 340)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>channel_rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>24000</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(226, 405)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>gr_freq_xlating_fir_filter_xxx</key>
    <param>
      <key>id</key>
      <value>gr_freq_xlating_fir_filter_xxx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>ccc</value>
    </param>
    <param>
      <key>decim</key>
      <value>decim</value>
    </param>
    <param>
      <key>taps</key>
      <value>firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)</value>
    </param>
    <param>
      <key>center_freq</key>
      <value>xlate_offset+xlate_offset_fine</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(205, 216)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_fftsink2</key>
    <param>
      <key>id</key>
      <value>wxgui_fftsink2_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>title</key>
      <value>FFT Plot</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>freq</value>
    </param>
    <param>
      <key>y_per_div</key>
      <value>10</value>
    </param>
    <param>
      <key>y_divs</key>
      <value>10</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>50</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>1024</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>30</value>
    </param>
    <param>
      <key>peak_hold</key>
      <value>False</value>
    </param>
    <param>
      <key>average</key>
      <value>True</value>
    </param>
    <param>
      <key>avg_alpha</key>
      <value>0</value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value>nb, 0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(385, 6)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>gain</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Gain</value>
    </param>
    <param>
      <key>value</key>
      <value>1</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>1</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>100</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 339)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_waterfallsink2</key>
    <param>
      <key>id</key>
      <value>wxgui_waterfallsink2_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>title</key>
      <value>Waterfall Plot</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>freq</value>
    </param>
    <param>
      <key>dynamic_range</key>
      <value>100</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>50</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>512</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>15</value>
    </param>
    <param>
      <key>average</key>
      <value>False</value>
    </param>
    <param>
      <key>avg_alpha</key>
      <value>0</value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value>nb, 1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(587, 5)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>audio_rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>12000</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(818, 309)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>gr_pwr_squelch_xx</key>
    <param>
      <key>id</key>
      <value>gr_pwr_squelch_xx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>False</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>threshold</key>
      <value>0</value>
    </param>
    <param>
      <key>alpha</key>
      <value>1e-3</value>
    </param>
    <param>
      <key>ramp</key>
      <value>0</value>
    </param>
    <param>
      <key>gate</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(374, 339)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>notebook</key>
    <param>
      <key>id</key>
      <value>nb</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.NB_TOP</value>
    </param>
    <param>
      <key>labels</key>
      <value>['BB-1','BB-2','Xlate-1','Xlate-2','Audio','FFT']</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(142, 595)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_fftsink2</key>
    <param>
      <key>id</key>
      <value>wxgui_fftsink2_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>title</key>
      <value>FFT Plot</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>channel_rate</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>0</value>
    </param>
    <param>
      <key>y_per_div</key>
      <value>10</value>
    </param>
    <param>
      <key>y_divs</key>
      <value>10</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>50</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>1024</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>30</value>
    </param>
    <param>
      <key>peak_hold</key>
      <value>False</value>
    </param>
    <param>
      <key>average</key>
      <value>True</value>
    </param>
    <param>
      <key>avg_alpha</key>
      <value>0</value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value>nb, 2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(921, 183)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_waterfallsink2</key>
    <param>
      <key>id</key>
      <value>wxgui_waterfallsink2_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>title</key>
      <value>Waterfall Plot</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>channel_rate</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>0</value>
    </param>
    <param>
      <key>dynamic_range</key>
      <value>100</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>50</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>512</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>15</value>
    </param>
    <param>
      <key>average</key>
      <value>False</value>
    </param>
    <param>
      <key>avg_alpha</key>
      <value>0</value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value>nb, 3</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(921, 8)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blks2_nbfm_rx</key>
    <param>
      <key>id</key>
      <value>blks2_nbfm_rx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>False</value>
    </param>
    <param>
      <key>audio_rate</key>
      <value>audio_rate</value>
    </param>
    <param>
      <key>quad_rate</key>
      <value>channel_rate</value>
    </param>
    <param>
      <key>tau</key>
      <value>75e-6</value>
    </param>
    <param>
      <key>max_dev</key>
      <value>6e3</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(589, 322)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blks2_rational_resampler_xxx</key>
    <param>
      <key>id</key>
      <value>blks2_rational_resampler_xxx_1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>ccc</value>
    </param>
    <param>
      <key>decim</key>
      <value>pre_channel_rate</value>
    </param>
    <param>
      <key>interp</key>
      <value>channel_rate</value>
    </param>
    <param>
      <key>taps</key>
      <value>[]</value>
    </param>
    <param>
      <key>fractional_bw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(478, 216)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>id</key>
      <value>import_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>import</key>
      <value>import math</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(237, 348)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>gr_quadrature_demod_cf</key>
    <param>
      <key>id</key>
      <value>gr_quadrature_demod_cf_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>gain</key>
      <value>channel_rate/(2*math.pi*6000)</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(595, 414)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_waterfallsink2</key>
    <param>
      <key>id</key>
      <value>wxgui_waterfallsink2_0_0_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>title</key>
      <value>Waterfall Plot</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>audio_rate</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>0</value>
    </param>
    <param>
      <key>dynamic_range</key>
      <value>100</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>50</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>512</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>15</value>
    </param>
    <param>
      <key>average</key>
      <value>False</value>
    </param>
    <param>
      <key>avg_alpha</key>
      <value>0</value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value>nb, 5</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(841, 682)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>low_pass_filter</key>
    <param>
      <key>id</key>
      <value>low_pass_filter_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>fir_filter_fff</value>
    </param>
    <param>
      <key>decim</key>
      <value>2</value>
    </param>
    <param>
      <key>interp</key>
      <value>1</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>channel_rate</value>
    </param>
    <param>
      <key>cutoff_freq</key>
      <value>6000</value>
    </param>
    <param>
      <key>width</key>
      <value>1000</value>
    </param>
    <param>
      <key>win</key>
      <value>firdes.WIN_HAMMING</value>
    </param>
    <param>
      <key>beta</key>
      <value>6.76</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(441, 466)</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>1000000</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 57)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>rtl2832_source</key>
    <param>
      <key>id</key>
      <value>rtl2832_source_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>verbose</key>
      <value>True</value>
    </param>
    <param>
      <key>sample_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>frequency</key>
      <value>freq</value>
    </param>
    <param>
      <key>bandwidth</key>
      <value>0</value>
    </param>
    <param>
      <key>relative_gain</key>
      <value>True</value>
    </param>
    <param>
      <key>gain</key>
      <value>gain</value>
    </param>
    <param>
      <key>gain_mode</key>
      <value></value>
    </param>
    <param>
      <key>auto_gain_mode</key>
      <value>False</value>
    </param>
    <param>
      <key>usb_vid</key>
      <value>0x0</value>
    </param>
    <param>
      <key>usb_pid</key>
      <value>0x0</value>
    </param>
    <param>
      <key>tuner_name</key>
      <value></value>
    </param>
    <param>
      <key>read_length</key>
      <value>1024*128*2</value>
    </param>
    <param>
      <key>xfer_timeout</key>
      <value>0</value>
    </param>
    <param>
      <key>use_buffer</key>
      <value>True</value>
    </param>
    <param>
      <key>buf_mul</key>
      <value>0</value>
    </param>
    <param>
      <key>buf_level</key>
      <value>0</value>
    </param>
    <param>
      <key>fir_coeffs</key>
      <value>[]</value>
    </param>
    <param>
      <key>xtal_freq</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(103, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_scopesink2</key>
    <param>
      <key>id</key>
      <value>wxgui_scopesink2_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>title</key>
      <value>Scope Plot</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>audio_rate</value>
    </param>
    <param>
      <key>v_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>v_offset</key>
      <value>0</value>
    </param>
    <param>
      <key>t_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>ac_couple</key>
      <value>False</value>
    </param>
    <param>
      <key>xy_mode</key>
      <value>False</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>notebook</key>
      <value>nb, 4</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(647, 783)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blks2_rational_resampler_xxx</key>
    <param>
      <key>id</key>
      <value>blks2_rational_resampler_xxx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>fff</value>
    </param>
    <param>
      <key>decim</key>
      <value>audio_rate</value>
    </param>
    <param>
      <key>interp</key>
      <value>48000*0+44100</value>
    </param>
    <param>
      <key>taps</key>
      <value>[]</value>
    </param>
    <param>
      <key>fractional_bw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(856, 490)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>gr_multiply_const_vxx</key>
    <param>
      <key>id</key>
      <value>gr_multiply_const_vxx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>const</key>
      <value>audio_mul</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(870, 587)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>audio_sink</key>
    <param>
      <key>id</key>
      <value>audio_sink_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>44100</value>
    </param>
    <param>
      <key>device_name</key>
      <value></value>
    </param>
    <param>
      <key>ok_to_block</key>
      <value>True</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(855, 636)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>options</key>
    <param>
      <key>id</key>
      <value>top_block</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>1280, 1024</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>wx_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>realtime_scheduling</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <connection>
    <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
    <sink_block_id>wxgui_waterfallsink2_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
    <sink_block_id>wxgui_fftsink2_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>gr_freq_xlating_fir_filter_xxx_0</source_block_id>
    <sink_block_id>blks2_rational_resampler_xxx_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rtl2832_source_0</source_block_id>
    <sink_block_id>gr_freq_xlating_fir_filter_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rtl2832_source_0</source_block_id>
    <sink_block_id>wxgui_waterfallsink2_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rtl2832_source_0</source_block_id>
    <sink_block_id>wxgui_fftsink2_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
    <sink_block_id>blks2_nbfm_rx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_nbfm_rx_0</source_block_id>
    <sink_block_id>blks2_rational_resampler_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_nbfm_rx_0</source_block_id>
    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_rational_resampler_xxx_0</source_block_id>
    <sink_block_id>gr_multiply_const_vxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>gr_multiply_const_vxx_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>blks2_nbfm_rx_0</source_block_id>
    <sink_block_id>wxgui_waterfallsink2_0_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
    <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>gr_quadrature_demod_cf_0</source_block_id>
    <sink_block_id>low_pass_filter_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>low_pass_filter_0</source_block_id>
    <sink_block_id>blks2_rational_resampler_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>low_pass_filter_0</source_block_id>
    <sink_block_id>wxgui_waterfallsink2_0_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>low_pass_filter_0</source_block_id>
    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
</flow_graph>