fm_demod_mono.grc

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.12'?>
<flow_graph>
  <timestamp>Sun May 27 09:23:43 2018</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value></value>
    </param>
    <param>
      <key>window_size</key>
      <value></value>
    </param>
    <param>
      <key>category</key>
      <value>[GRC Hier Blocks]</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 44)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>hier_block_src_path</key>
      <value>.:</value>
    </param>
    <param>
      <key>id</key>
      <value>top_block</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>qt_qss_theme</key>
      <value></value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>run_command</key>
      <value>{python} -u {filename}</value>
    </param>
    <param>
      <key>run_options</key>
      <value>prompt</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
    </param>
    <param>
      <key>sizing_mode</key>
      <value>fixed</value>
    </param>
    <param>
      <key>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value></value>
    </param>
    <param>
      <key>placement</key>
      <value>(0,0)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(608, 132)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>audio_sample_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>48000</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>106200000</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(216, 44)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>radio_freq</value>
    </param>
    <param>
      <key>label</key>
      <value>Frequency</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>88000000</value>
    </param>
    <param>
      <key>step</key>
      <value>100000</value>
    </param>
    <param>
      <key>stop</key>
      <value>108000000</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 132)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>1024000</value>
    </param>
  </block>
  <block>
    <key>analog_fm_demod_cf</key>
    <param>
      <key>audio_decim</key>
      <value>1</value>
    </param>
    <param>
      <key>audio_pass</key>
      <value>15000</value>
    </param>
    <param>
      <key>audio_stop</key>
      <value>18000</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>chan_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>comment</key>
      <value>Demodulate the FM signal</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>deviation</key>
      <value>75000</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(416, 236)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_fm_demod_cf_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>tau</key>
      <value>50e-6</value>
    </param>
  </block>
  <block>
    <key>audio_sink</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>device_name</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(856, 284)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>audio_sink_1</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>ok_to_block</key>
      <value>True</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>audio_sample_rate</value>
    </param>
  </block>
  <block>
    <key>low_pass_filter</key>
    <param>
      <key>beta</key>
      <value>6.76</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Filter the FM band</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>cutoff_freq</key>
      <value>80000</value>
    </param>
    <param>
      <key>decim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>fir_filter_ccf</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(240, 236)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>id</key>
      <value>low_pass_filter_0</value>
    </param>
    <param>
      <key>interp</key>
      <value>1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>width</key>
      <value>10000</value>
    </param>
    <param>
      <key>win</key>
      <value>firdes.WIN_HAMMING</value>
    </param>
  </block>
  <block>
    <key>qtgui_freq_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>average</key>
      <value>1.0</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>bw</key>
      <value>audio_sample_rate</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>fc</key>
      <value>0</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>ctrlpanel</key>
      <value>False</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fftsize</key>
      <value>1024</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(856, 140)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_freq_sink_x_0</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value></value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"dark blue"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>""</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>showports</key>
      <value>True</value>
    </param>
    <param>
      <key>freqhalf</key>
      <value>False</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_mode</key>
      <value>qtgui.TRIG_MODE_FREE</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>wintype</key>
      <value>firdes.WIN_BLACKMAN_hARRIS</value>
    </param>
    <param>
      <key>label</key>
      <value>Relative Gain</value>
    </param>
    <param>
      <key>ymax</key>
      <value>10</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-140</value>
    </param>
    <param>
      <key>units</key>
      <value>dB</value>
    </param>
  </block>
  <block>
    <key>qtgui_time_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>ctrlpanel</key>
      <value>False</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>entags</key>
      <value>True</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(856, 28)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_time_sink_x_0</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value></value>
    </param>
    <param>
      <key>marker1</key>
      <value>-1</value>
    </param>
    <param>
      <key>style1</key>
      <value>1</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>marker10</key>
      <value>-1</value>
    </param>
    <param>
      <key>style10</key>
      <value>1</value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>marker2</key>
      <value>-1</value>
    </param>
    <param>
      <key>style2</key>
      <value>1</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>marker3</key>
      <value>-1</value>
    </param>
    <param>
      <key>style3</key>
      <value>1</value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>marker4</key>
      <value>-1</value>
    </param>
    <param>
      <key>style4</key>
      <value>1</value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>marker5</key>
      <value>-1</value>
    </param>
    <param>
      <key>style5</key>
      <value>1</value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>marker6</key>
      <value>-1</value>
    </param>
    <param>
      <key>style6</key>
      <value>1</value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>marker7</key>
      <value>-1</value>
    </param>
    <param>
      <key>style7</key>
      <value>1</value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>marker8</key>
      <value>-1</value>
    </param>
    <param>
      <key>style8</key>
      <value>1</value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>marker9</key>
      <value>-1</value>
    </param>
    <param>
      <key>style9</key>
      <value>1</value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>name</key>
      <value>""</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>size</key>
      <value>1024</value>
    </param>
    <param>
      <key>srate</key>
      <value>audio_sample_rate</value>
    </param>
    <param>
      <key>stemplot</key>
      <value>False</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_delay</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_mode</key>
      <value>qtgui.TRIG_MODE_FREE</value>
    </param>
    <param>
      <key>tr_slope</key>
      <value>qtgui.TRIG_SLOPE_POS</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>ylabel</key>
      <value>Amplitude</value>
    </param>
    <param>
      <key>yunit</key>
      <value>""</value>
    </param>
    <param>
      <key>ymax</key>
      <value>1</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-1</value>
    </param>
  </block>
  <block>
    <key>rational_resampler_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Resample to audio frequency (48 kHz)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>64</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>fbw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(608, 260)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rational_resampler_xxx_0_0</value>
    </param>
    <param>
      <key>interp</key>
      <value>3</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>taps</key>
      <value></value>
    </param>
    <param>
      <key>type</key>
      <value>fff</value>
    </param>
  </block>
  <block>
    <key>rtlsdr_source</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>ant0</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain0</key>
      <value>20</value>
    </param>
    <param>
      <key>bw0</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode0</key>
      <value>0</value>
    </param>
    <param>
      <key>corr0</key>
      <value>0</value>
    </param>
    <param>
      <key>freq0</key>
      <value>radio_freq</value>
    </param>
    <param>
      <key>gain_mode0</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain0</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode0</key>
      <value>0</value>
    </param>
    <param>
      <key>gain0</key>
      <value>20</value>
    </param>
    <param>
      <key>ant10</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain10</key>
      <value>20</value>
    </param>
    <param>
      <key>bw10</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode10</key>
      <value>0</value>
    </param>
    <param>
      <key>corr10</key>
      <value>0</value>
    </param>
    <param>
      <key>freq10</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode10</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain10</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode10</key>
      <value>0</value>
    </param>
    <param>
      <key>gain10</key>
      <value>10</value>
    </param>
    <param>
      <key>ant11</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain11</key>
      <value>20</value>
    </param>
    <param>
      <key>bw11</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode11</key>
      <value>0</value>
    </param>
    <param>
      <key>corr11</key>
      <value>0</value>
    </param>
    <param>
      <key>freq11</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode11</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain11</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode11</key>
      <value>0</value>
    </param>
    <param>
      <key>gain11</key>
      <value>10</value>
    </param>
    <param>
      <key>ant12</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain12</key>
      <value>20</value>
    </param>
    <param>
      <key>bw12</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode12</key>
      <value>0</value>
    </param>
    <param>
      <key>corr12</key>
      <value>0</value>
    </param>
    <param>
      <key>freq12</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode12</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain12</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode12</key>
      <value>0</value>
    </param>
    <param>
      <key>gain12</key>
      <value>10</value>
    </param>
    <param>
      <key>ant13</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain13</key>
      <value>20</value>
    </param>
    <param>
      <key>bw13</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode13</key>
      <value>0</value>
    </param>
    <param>
      <key>corr13</key>
      <value>0</value>
    </param>
    <param>
      <key>freq13</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode13</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain13</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode13</key>
      <value>0</value>
    </param>
    <param>
      <key>gain13</key>
      <value>10</value>
    </param>
    <param>
      <key>ant14</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain14</key>
      <value>20</value>
    </param>
    <param>
      <key>bw14</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode14</key>
      <value>0</value>
    </param>
    <param>
      <key>corr14</key>
      <value>0</value>
    </param>
    <param>
      <key>freq14</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode14</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain14</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode14</key>
      <value>0</value>
    </param>
    <param>
      <key>gain14</key>
      <value>10</value>
    </param>
    <param>
      <key>ant15</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain15</key>
      <value>20</value>
    </param>
    <param>
      <key>bw15</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode15</key>
      <value>0</value>
    </param>
    <param>
      <key>corr15</key>
      <value>0</value>
    </param>
    <param>
      <key>freq15</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode15</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain15</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode15</key>
      <value>0</value>
    </param>
    <param>
      <key>gain15</key>
      <value>10</value>
    </param>
    <param>
      <key>ant16</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain16</key>
      <value>20</value>
    </param>
    <param>
      <key>bw16</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode16</key>
      <value>0</value>
    </param>
    <param>
      <key>corr16</key>
      <value>0</value>
    </param>
    <param>
      <key>freq16</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode16</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain16</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode16</key>
      <value>0</value>
    </param>
    <param>
      <key>gain16</key>
      <value>10</value>
    </param>
    <param>
      <key>ant17</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain17</key>
      <value>20</value>
    </param>
    <param>
      <key>bw17</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode17</key>
      <value>0</value>
    </param>
    <param>
      <key>corr17</key>
      <value>0</value>
    </param>
    <param>
      <key>freq17</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode17</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain17</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode17</key>
      <value>0</value>
    </param>
    <param>
      <key>gain17</key>
      <value>10</value>
    </param>
    <param>
      <key>ant18</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain18</key>
      <value>20</value>
    </param>
    <param>
      <key>bw18</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode18</key>
      <value>0</value>
    </param>
    <param>
      <key>corr18</key>
      <value>0</value>
    </param>
    <param>
      <key>freq18</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode18</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain18</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode18</key>
      <value>0</value>
    </param>
    <param>
      <key>gain18</key>
      <value>10</value>
    </param>
    <param>
      <key>ant19</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain19</key>
      <value>20</value>
    </param>
    <param>
      <key>bw19</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode19</key>
      <value>0</value>
    </param>
    <param>
      <key>corr19</key>
      <value>0</value>
    </param>
    <param>
      <key>freq19</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode19</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain19</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode19</key>
      <value>0</value>
    </param>
    <param>
      <key>gain19</key>
      <value>10</value>
    </param>
    <param>
      <key>ant1</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain1</key>
      <value>20</value>
    </param>
    <param>
      <key>bw1</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode1</key>
      <value>0</value>
    </param>
    <param>
      <key>corr1</key>
      <value>0</value>
    </param>
    <param>
      <key>freq1</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode1</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain1</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode1</key>
      <value>0</value>
    </param>
    <param>
      <key>gain1</key>
      <value>10</value>
    </param>
    <param>
      <key>ant20</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain20</key>
      <value>20</value>
    </param>
    <param>
      <key>bw20</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode20</key>
      <value>0</value>
    </param>
    <param>
      <key>corr20</key>
      <value>0</value>
    </param>
    <param>
      <key>freq20</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode20</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain20</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode20</key>
      <value>0</value>
    </param>
    <param>
      <key>gain20</key>
      <value>10</value>
    </param>
    <param>
      <key>ant21</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain21</key>
      <value>20</value>
    </param>
    <param>
      <key>bw21</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode21</key>
      <value>0</value>
    </param>
    <param>
      <key>corr21</key>
      <value>0</value>
    </param>
    <param>
      <key>freq21</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode21</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain21</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode21</key>
      <value>0</value>
    </param>
    <param>
      <key>gain21</key>
      <value>10</value>
    </param>
    <param>
      <key>ant22</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain22</key>
      <value>20</value>
    </param>
    <param>
      <key>bw22</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode22</key>
      <value>0</value>
    </param>
    <param>
      <key>corr22</key>
      <value>0</value>
    </param>
    <param>
      <key>freq22</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode22</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain22</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode22</key>
      <value>0</value>
    </param>
    <param>
      <key>gain22</key>
      <value>10</value>
    </param>
    <param>
      <key>ant23</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain23</key>
      <value>20</value>
    </param>
    <param>
      <key>bw23</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode23</key>
      <value>0</value>
    </param>
    <param>
      <key>corr23</key>
      <value>0</value>
    </param>
    <param>
      <key>freq23</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode23</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain23</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode23</key>
      <value>0</value>
    </param>
    <param>
      <key>gain23</key>
      <value>10</value>
    </param>
    <param>
      <key>ant24</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain24</key>
      <value>20</value>
    </param>
    <param>
      <key>bw24</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode24</key>
      <value>0</value>
    </param>
    <param>
      <key>corr24</key>
      <value>0</value>
    </param>
    <param>
      <key>freq24</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode24</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain24</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode24</key>
      <value>0</value>
    </param>
    <param>
      <key>gain24</key>
      <value>10</value>
    </param>
    <param>
      <key>ant25</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain25</key>
      <value>20</value>
    </param>
    <param>
      <key>bw25</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode25</key>
      <value>0</value>
    </param>
    <param>
      <key>corr25</key>
      <value>0</value>
    </param>
    <param>
      <key>freq25</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode25</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain25</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode25</key>
      <value>0</value>
    </param>
    <param>
      <key>gain25</key>
      <value>10</value>
    </param>
    <param>
      <key>ant26</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain26</key>
      <value>20</value>
    </param>
    <param>
      <key>bw26</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode26</key>
      <value>0</value>
    </param>
    <param>
      <key>corr26</key>
      <value>0</value>
    </param>
    <param>
      <key>freq26</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode26</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain26</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode26</key>
      <value>0</value>
    </param>
    <param>
      <key>gain26</key>
      <value>10</value>
    </param>
    <param>
      <key>ant27</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain27</key>
      <value>20</value>
    </param>
    <param>
      <key>bw27</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode27</key>
      <value>0</value>
    </param>
    <param>
      <key>corr27</key>
      <value>0</value>
    </param>
    <param>
      <key>freq27</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode27</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain27</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode27</key>
      <value>0</value>
    </param>
    <param>
      <key>gain27</key>
      <value>10</value>
    </param>
    <param>
      <key>ant28</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain28</key>
      <value>20</value>
    </param>
    <param>
      <key>bw28</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode28</key>
      <value>0</value>
    </param>
    <param>
      <key>corr28</key>
      <value>0</value>
    </param>
    <param>
      <key>freq28</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode28</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain28</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode28</key>
      <value>0</value>
    </param>
    <param>
      <key>gain28</key>
      <value>10</value>
    </param>
    <param>
      <key>ant29</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain29</key>
      <value>20</value>
    </param>
    <param>
      <key>bw29</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode29</key>
      <value>0</value>
    </param>
    <param>
      <key>corr29</key>
      <value>0</value>
    </param>
    <param>
      <key>freq29</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode29</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain29</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode29</key>
      <value>0</value>
    </param>
    <param>
      <key>gain29</key>
      <value>10</value>
    </param>
    <param>
      <key>ant2</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain2</key>
      <value>20</value>
    </param>
    <param>
      <key>bw2</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode2</key>
      <value>0</value>
    </param>
    <param>
      <key>corr2</key>
      <value>0</value>
    </param>
    <param>
      <key>freq2</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode2</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain2</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode2</key>
      <value>0</value>
    </param>
    <param>
      <key>gain2</key>
      <value>10</value>
    </param>
    <param>
      <key>ant30</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain30</key>
      <value>20</value>
    </param>
    <param>
      <key>bw30</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode30</key>
      <value>0</value>
    </param>
    <param>
      <key>corr30</key>
      <value>0</value>
    </param>
    <param>
      <key>freq30</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode30</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain30</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode30</key>
      <value>0</value>
    </param>
    <param>
      <key>gain30</key>
      <value>10</value>
    </param>
    <param>
      <key>ant31</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain31</key>
      <value>20</value>
    </param>
    <param>
      <key>bw31</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode31</key>
      <value>0</value>
    </param>
    <param>
      <key>corr31</key>
      <value>0</value>
    </param>
    <param>
      <key>freq31</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode31</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain31</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode31</key>
      <value>0</value>
    </param>
    <param>
      <key>gain31</key>
      <value>10</value>
    </param>
    <param>
      <key>ant3</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain3</key>
      <value>20</value>
    </param>
    <param>
      <key>bw3</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode3</key>
      <value>0</value>
    </param>
    <param>
      <key>corr3</key>
      <value>0</value>
    </param>
    <param>
      <key>freq3</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode3</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain3</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode3</key>
      <value>0</value>
    </param>
    <param>
      <key>gain3</key>
      <value>10</value>
    </param>
    <param>
      <key>ant4</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain4</key>
      <value>20</value>
    </param>
    <param>
      <key>bw4</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode4</key>
      <value>0</value>
    </param>
    <param>
      <key>corr4</key>
      <value>0</value>
    </param>
    <param>
      <key>freq4</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode4</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain4</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode4</key>
      <value>0</value>
    </param>
    <param>
      <key>gain4</key>
      <value>10</value>
    </param>
    <param>
      <key>ant5</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain5</key>
      <value>20</value>
    </param>
    <param>
      <key>bw5</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode5</key>
      <value>0</value>
    </param>
    <param>
      <key>corr5</key>
      <value>0</value>
    </param>
    <param>
      <key>freq5</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode5</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain5</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode5</key>
      <value>0</value>
    </param>
    <param>
      <key>gain5</key>
      <value>10</value>
    </param>
    <param>
      <key>ant6</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain6</key>
      <value>20</value>
    </param>
    <param>
      <key>bw6</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode6</key>
      <value>0</value>
    </param>
    <param>
      <key>corr6</key>
      <value>0</value>
    </param>
    <param>
      <key>freq6</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode6</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain6</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode6</key>
      <value>0</value>
    </param>
    <param>
      <key>gain6</key>
      <value>10</value>
    </param>
    <param>
      <key>ant7</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain7</key>
      <value>20</value>
    </param>
    <param>
      <key>bw7</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode7</key>
      <value>0</value>
    </param>
    <param>
      <key>corr7</key>
      <value>0</value>
    </param>
    <param>
      <key>freq7</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode7</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain7</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode7</key>
      <value>0</value>
    </param>
    <param>
      <key>gain7</key>
      <value>10</value>
    </param>
    <param>
      <key>ant8</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain8</key>
      <value>20</value>
    </param>
    <param>
      <key>bw8</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode8</key>
      <value>0</value>
    </param>
    <param>
      <key>corr8</key>
      <value>0</value>
    </param>
    <param>
      <key>freq8</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode8</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain8</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode8</key>
      <value>0</value>
    </param>
    <param>
      <key>gain8</key>
      <value>10</value>
    </param>
    <param>
      <key>ant9</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain9</key>
      <value>20</value>
    </param>
    <param>
      <key>bw9</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode9</key>
      <value>0</value>
    </param>
    <param>
      <key>corr9</key>
      <value>0</value>
    </param>
    <param>
      <key>freq9</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode9</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain9</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode9</key>
      <value>0</value>
    </param>
    <param>
      <key>gain9</key>
      <value>10</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>args</key>
      <value>rtl=0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 216)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rtlsdr_source_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>clock_source0</key>
      <value></value>
    </param>
    <param>
      <key>time_source0</key>
      <value></value>
    </param>
    <param>
      <key>clock_source1</key>
      <value></value>
    </param>
    <param>
      <key>time_source1</key>
      <value></value>
    </param>
    <param>
      <key>clock_source2</key>
      <value></value>
    </param>
    <param>
      <key>time_source2</key>
      <value></value>
    </param>
    <param>
      <key>clock_source3</key>
      <value></value>
    </param>
    <param>
      <key>time_source3</key>
      <value></value>
    </param>
    <param>
      <key>clock_source4</key>
      <value></value>
    </param>
    <param>
      <key>time_source4</key>
      <value></value>
    </param>
    <param>
      <key>clock_source5</key>
      <value></value>
    </param>
    <param>
      <key>time_source5</key>
      <value></value>
    </param>
    <param>
      <key>clock_source6</key>
      <value></value>
    </param>
    <param>
      <key>time_source6</key>
      <value></value>
    </param>
    <param>
      <key>clock_source7</key>
      <value></value>
    </param>
    <param>
      <key>time_source7</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>nchan</key>
      <value>1</value>
    </param>
    <param>
      <key>num_mboards</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>fc32</value>
    </param>
    <param>
      <key>sample_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>sync</key>
      <value></value>
    </param>
  </block>
  <connection>
    <source_block_id>analog_fm_demod_cf_0</source_block_id>
    <sink_block_id>rational_resampler_xxx_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>analog_fm_demod_cf_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rational_resampler_xxx_0_0</source_block_id>
    <sink_block_id>audio_sink_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rational_resampler_xxx_0_0</source_block_id>
    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rational_resampler_xxx_0_0</source_block_id>
    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rtlsdr_source_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>
</flow_graph>