8magsvn – Rev 39

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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
  <timestamp>Mon May 21 15:05:36 2012</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>id</key>
      <value>ssb_rx</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>title</key>
      <value>SSB Receiver</value>
    </param>
    <param>
      <key>author</key>
      <value>OZ9AEC</value>
    </param>
    <param>
      <key>description</key>
      <value>Simple SSB receiver prototype</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>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>offset_coarse</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Coarse tune</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>-120000</value>
    </param>
    <param>
      <key>max</key>
      <value>120000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>960</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>6,2,1,2</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(12, 106)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>offset_fine</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Fine tune</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>-1000</value>
    </param>
    <param>
      <key>max</key>
      <value>1000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>400</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>6,0,1,2</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(12, 244)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>xlate_filter_taps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(392, 238)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_static_text</key>
    <param>
      <key>id</key>
      <value>lo_freq</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>LO</value>
    </param>
    <param>
      <key>value</key>
      <value>LO</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>5,2,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(169, 86)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>wxgui_fftsink2</key>
    <param>
      <key>id</key>
      <value>fftsink</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>title</key>
      <value></value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>rx_freq*display_selector</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>0</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>13490.0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>512</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>15</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>0.5</value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>win_size</key>
      <value>800,300</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>0,0,5,4</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(668, 75)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>center</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Center</value>
    </param>
    <param>
      <key>value</key>
      <value>+1500</value>
    </param>
    <param>
      <key>min</key>
      <value>-5000</value>
    </param>
    <param>
      <key>max</key>
      <value>5000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>200</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>8,0,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(14, 525)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>rf_gain</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>RF</value>
    </param>
    <param>
      <key>value</key>
      <value>20</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>50</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>50</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>7,1,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(15, 800)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>width</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Filter</value>
    </param>
    <param>
      <key>value</key>
      <value>2600</value>
    </param>
    <param>
      <key>min</key>
      <value>100</value>
    </param>
    <param>
      <key>max</key>
      <value>5000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>490</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>7,0,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(13, 386)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>trans</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Trans</value>
    </param>
    <param>
      <key>value</key>
      <value>500</value>
    </param>
    <param>
      <key>min</key>
      <value>100</value>
    </param>
    <param>
      <key>max</key>
      <value>2000</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>190</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>9,0,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(14, 662)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>low</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>center-width/2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(152, 661)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>high</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>center+width/2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(235, 662)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>band_pass_filter</key>
    <param>
      <key>id</key>
      <value>band_pass_filter</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>fir_filter_ccc</value>
    </param>
    <param>
      <key>decim</key>
      <value>5</value>
    </param>
    <param>
      <key>interp</key>
      <value>1</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>low_cutoff_freq</key>
      <value>low</value>
    </param>
    <param>
      <key>high_cutoff_freq</key>
      <value>high</value>
    </param>
    <param>
      <key>width</key>
      <value>trans</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>(669, 291)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>gr_agc2_xx</key>
    <param>
      <key>id</key>
      <value>agc</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>attack_rate</key>
      <value>0.1</value>
    </param>
    <param>
      <key>decay_rate</key>
      <value>agc_decay</value>
    </param>
    <param>
      <key>reference</key>
      <value>0.9</value>
    </param>
    <param>
      <key>gain</key>
      <value>1.0</value>
    </param>
    <param>
      <key>max_gain</key>
      <value>1.0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(882, 314)</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>64e6/256</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(169, 11)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>LO</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>5200000000</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(257, 11)</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>USRP</value>
    </param>
    <param>
      <key>value</key>
      <value>560900000</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>5,1,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(337, 11)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_static_text</key>
    <param>
      <key>id</key>
      <value>rx_freq</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Receive</value>
    </param>
    <param>
      <key>value</key>
      <value>LO+freq+(offset_coarse+offset_fine)</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>5,3,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(472, 11)</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>2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(873, 512)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>gr_complex_to_real</key>
    <param>
      <key>id</key>
      <value>gr_complex_to_real_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(452, 545)</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_1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>const</key>
      <value>af_gain</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(656, 542)</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>500</value>
    </param>
    <param>
      <key>interp</key>
      <value>441</value>
    </param>
    <param>
      <key>taps</key>
      <value>[]</value>
    </param>
    <param>
      <key>fractional_bw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(246, 519)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>id</key>
      <value>af_gain</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>VOL</value>
    </param>
    <param>
      <key>value</key>
      <value>0.7</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>5</value>
    </param>
    <param>
      <key>num_steps</key>
      <value>500</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>8,1,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(161, 802)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_chooser</key>
    <param>
      <key>id</key>
      <value>display_selector</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Spectrum</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>choices</key>
      <value>[0, 1]</value>
    </param>
    <param>
      <key>labels</key>
      <value>['Baseband','USRP']</value>
    </param>
    <param>
      <key>type</key>
      <value>drop_down</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.RA_HORIZONTAL</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>5,0,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(301, 801)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_chooser</key>
    <param>
      <key>id</key>
      <value>agc_decay</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>AGC</value>
    </param>
    <param>
      <key>value</key>
      <value>5e-5</value>
    </param>
    <param>
      <key>choices</key>
      <value>[1e-5, 5e-5, 1e-4]</value>
    </param>
    <param>
      <key>labels</key>
      <value>['Fast','Medium','Slow']</value>
    </param>
    <param>
      <key>type</key>
      <value>drop_down</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.RA_HORIZONTAL</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>9,1,1,1</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(453, 802)</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>xlating_fir_filter</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>ccc</value>
    </param>
    <param>
      <key>decim</key>
      <value>1</value>
    </param>
    <param>
      <key>taps</key>
      <value>xlate_filter_taps</value>
    </param>
    <param>
      <key>center_freq</key>
      <value>-(offset_coarse+offset_fine)</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(389, 321)</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>100000000</value>
    </param>
    <param>
      <key>bandwidth</key>
      <value>0</value>
    </param>
    <param>
      <key>relative_gain</key>
      <value>True</value>
    </param>
    <param>
      <key>gain</key>
      <value>0</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>0</value>
    </param>
    <param>
      <key>usb_pid</key>
      <value>0</value>
    </param>
    <param>
      <key>tuner_name</key>
      <value></value>
    </param>
    <param>
      <key>read_length</key>
      <value>0</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>(89, 243)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <connection>
    <source_block_id>xlating_fir_filter</source_block_id>
    <sink_block_id>fftsink</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>xlating_fir_filter</source_block_id>
    <sink_block_id>band_pass_filter</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>band_pass_filter</source_block_id>
    <sink_block_id>agc</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>agc</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>gr_multiply_const_vxx_1</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>gr_multiply_const_vxx_1</source_block_id>
    <sink_block_id>audio_sink_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
    <sink_block_id>gr_complex_to_real_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>gr_complex_to_real_0</source_block_id>
    <sink_block_id>gr_multiply_const_vxx_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>xlating_fir_filter</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
</flow_graph>