beacontrack.grc

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.12'?>
<flow_graph>
  <timestamp>Wed Oct 19 11:06:17 2016</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value>W.J. Ubbels PE4WJ</value>
    </param>
    <param>
      <key>window_size</key>
      <value>2400, 2400</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>copyright</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value>Es'hailsat-2 Beacon tracker</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 8)</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>Es'hailsat-2 Beacon tracker</value>
    </param>
    <param>
      <key>placement</key>
      <value>(0,0)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0.01</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(840, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>AF_gain</value>
    </param>
    <param>
      <key>label</key>
      <value>RX AF gain </value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>0.01</value>
    </param>
    <param>
      <key>stop</key>
      <value>1</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>(1096, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>LNB_LO_freq</value>
    </param>
    <param>
      <key>value</key>
      <value>ref_freq*mult</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>(1280, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>RX_frequency</value>
    </param>
    <param>
      <key>value</key>
      <value>tpx_center_freq-LNB_LO_freq</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>50</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(976, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>RX_gain</value>
    </param>
    <param>
      <key>label</key>
      <value>RX RF gain (dB)</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>1</value>
    </param>
    <param>
      <key>stop</key>
      <value>80</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>20000</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1800, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>beacontrack_bw</value>
    </param>
    <param>
      <key>label</key>
      <value>beacon track receiver IF bandwidth (Hz)</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>1000</value>
    </param>
    <param>
      <key>step</key>
      <value>100</value>
    </param>
    <param>
      <key>stop</key>
      <value>40000</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>(880, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>decimation</value>
    </param>
    <param>
      <key>value</key>
      <value>10</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>125000</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(544, 1124)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>expected_beacon_freq</value>
    </param>
    <param>
      <key>label</key>
      <value>Expected beacon frequency (Hz)</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_check_box</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>false</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(896, 1124)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>level_tone</value>
    </param>
    <param>
      <key>label</key>
      <value>Audible beacon strength</value>
    </param>
    <param>
      <key>true</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>24.8</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1288, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>lnb_corr_ppm</value>
    </param>
    <param>
      <key>label</key>
      <value>LNB frequency correction (ppm)</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>-40</value>
    </param>
    <param>
      <key>step</key>
      <value>0.1</value>
    </param>
    <param>
      <key>stop</key>
      <value>40</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0.01</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1120, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>loop_bw</value>
    </param>
    <param>
      <key>label</key>
      <value>Beacon track Costas loop BW (rad/sample)</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>0.0001</value>
    </param>
    <param>
      <key>stop</key>
      <value>0.1</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>-84</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1464, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>lower_int</value>
    </param>
    <param>
      <key>label</key>
      <value>wfall lower intensity</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>-150</value>
    </param>
    <param>
      <key>step</key>
      <value>1</value>
    </param>
    <param>
      <key>stop</key>
      <value>-80</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>(1200, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>mult</value>
    </param>
    <param>
      <key>value</key>
      <value>390</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>(768, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ref_freq</value>
    </param>
    <param>
      <key>value</key>
      <value>25*1e6*(1+lnb_corr_ppm*1e-6)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>ref_freq/1e6</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1072, 1124)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ref_freq_textbox</value>
    </param>
    <param>
      <key>label</key>
      <value>LNB reference freuency [MHz]</value>
    </param>
    <param>
      <key>type</key>
      <value>real</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>(656, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rx_audio_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>44200</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>RX_frequency/1e6</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1264, 1124)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rx_freq_textbox_0</value>
    </param>
    <param>
      <key>label</key>
      <value>USRP center frequency [MHz]</value>
    </param>
    <param>
      <key>type</key>
      <value>real</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>(560, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>480000</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>(976, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>tpx_center_freq</value>
    </param>
    <param>
      <key>value</key>
      <value>10489675000</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_check_box</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>false</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(728, 1124)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>track_beacon</value>
    </param>
    <param>
      <key>label</key>
      <value>Beacon track enable</value>
    </param>
    <param>
      <key>true</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>variable_function_probe_0*-1*(48000/decimation)</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1464, 1124)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>tracked_bcn_freq_textbox</value>
    </param>
    <param>
      <key>label</key>
      <value>Tracked beacon freq (Hz)</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>-40</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1632, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>upper_int</value>
    </param>
    <param>
      <key>label</key>
      <value>wfall upper intensity</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>-40</value>
    </param>
    <param>
      <key>step</key>
      <value>1</value>
    </param>
    <param>
      <key>stop</key>
      <value>40</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(672, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>var_freq</value>
    </param>
    <param>
      <key>label</key>
      <value>SSB receiver coarse tune (Hz)</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>-200000</value>
    </param>
    <param>
      <key>step</key>
      <value>100</value>
    </param>
    <param>
      <key>stop</key>
      <value>200000</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(544, 980)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>var_freq_fine</value>
    </param>
    <param>
      <key>label</key>
      <value>SSB receiver fine tune (Hz)</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>-1250</value>
    </param>
    <param>
      <key>step</key>
      <value>10</value>
    </param>
    <param>
      <key>stop</key>
      <value>1250</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>blocks_probe_signal_x_0</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1616, 1236)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>variable_function_probe_0</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>10</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>analog_probe_avg_mag_sqrd_x_0</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1808, 1244)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>variable_function_probe_1</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>4</value>
    </param>
  </block>
  <block>
    <key>analog_agc2_xx</key>
    <param>
      <key>attack_rate</key>
      <value>1e-2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Fast attack, slow decay AGC</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decay_rate</key>
      <value>0.2</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(968, 252)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>gain</key>
      <value>10</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_agc2_xx_0</value>
    </param>
    <param>
      <key>max_gain</key>
      <value>65536</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>reference</key>
      <value>1.0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
  </block>
  <block>
    <key>analog_agc2_xx</key>
    <param>
      <key>attack_rate</key>
      <value>1e-2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Costas loop needs AGC (loop gain depends on input level)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decay_rate</key>
      <value>0.2</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1496, 700)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>gain</key>
      <value>10</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_agc2_xx_0_0</value>
    </param>
    <param>
      <key>max_gain</key>
      <value>65536</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>reference</key>
      <value>1.0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
  </block>
  <block>
    <key>analog_probe_avg_mag_sqrd_x</key>
    <param>
      <key>alpha</key>
      <value>0.001</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Beacon level meter</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1512, 876)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_probe_avg_mag_sqrd_x_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>threshold</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>c</value>
    </param>
  </block>
  <block>
    <key>analog_sig_source_x</key>
    <param>
      <key>amp</key>
      <value>level_tone*1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Audible beacon strength indicator for aiming the dish</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>freq</key>
      <value>500+variable_function_probe_1*200000000</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(792, 364)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_sig_source_x_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>offset</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate/decimation</value>
    </param>
    <param>
      <key>waveform</key>
      <value>analog.GR_COS_WAVE</value>
    </param>
  </block>
  <block>
    <key>analog_sig_source_x</key>
    <param>
      <key>amp</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Downconversion oscillator - coarse tuning</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>freq</key>
      <value>var_freq</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1828, 520)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>90</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_sig_source_x_2_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>offset</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>waveform</key>
      <value>analog.GR_COS_WAVE</value>
    </param>
  </block>
  <block>
    <key>analog_sig_source_x</key>
    <param>
      <key>amp</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Downconversion oscillator - fine tuning</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>freq</key>
      <value>var_freq_fine</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1620, 520)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>90</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_sig_source_x_2_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>offset</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>waveform</key>
      <value>analog.GR_COS_WAVE</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>hw:1,0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(312, 292)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>audio_sink_0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>ok_to_block</key>
      <value>True</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>44100</value>
    </param>
  </block>
  <block>
    <key>band_pass_filter</key>
    <param>
      <key>beta</key>
      <value>6.76</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Complex SSB filter (USB)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>fir_filter_ccc</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1152, 228)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>high_cutoff_freq</key>
      <value>2700</value>
    </param>
    <param>
      <key>id</key>
      <value>band_pass_filter_0_0</value>
    </param>
    <param>
      <key>interp</key>
      <value>1</value>
    </param>
    <param>
      <key>low_cutoff_freq</key>
      <value>300</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>rx_audio_rate</value>
    </param>
    <param>
      <key>width</key>
      <value>200</value>
    </param>
    <param>
      <key>win</key>
      <value>firdes.WIN_HAMMING</value>
    </param>
  </block>
  <block>
    <key>blocks_add_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(656, 288)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_xx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_complex_to_real</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Convert to a real signal</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(784, 288)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_complex_to_real_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_conjugate_cc</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1864, 336)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>90</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_conjugate_cc_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_conjugate_cc</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1656, 344)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>90</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_conjugate_cc_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Gate to enable / disable beacon tracking</value>
    </param>
    <param>
      <key>const</key>
      <value>track_beacon</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(872, 540)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>AF gain</value>
    </param>
    <param>
      <key>const</key>
      <value>AF_gain</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(512, 300)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_1</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Drift correction mixer</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2000, 240)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_xx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Downconverting mixer for corase tuning</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1760, 256)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_xx_1_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Downconverting mixer for fine tuning</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1544, 272)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_xx_1_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_null_sink</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>bus_conns</key>
      <value>[[0,],]</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1056, 704)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_null_sink_1</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_probe_signal_x</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1040, 632)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_probe_signal_x_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
  </block>
  <block>
    <key>blocks_vco_c</key>
    <param>
      <key>amplitude</key>
      <value>1</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Drift correction oscillator</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1240, 524)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_vco_c_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>480000</value>
    </param>
    <param>
      <key>sensitivity</key>
      <value>-1*(480000/decimation)</value>
    </param>
  </block>
  <block>
    <key>digital_costas_loop_cc</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Costas loop to lock to beacon</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1168, 672)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_costas_loop_cc_0</value>
    </param>
    <param>
      <key>w</key>
      <value>loop_bw</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>order</key>
      <value>2</value>
    </param>
    <param>
      <key>use_snr</key>
      <value>False</value>
    </param>
  </block>
  <block>
    <key>freq_xlating_fir_filter_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>center_freq</key>
      <value>expected_beacon_freq</value>
    </param>
    <param>
      <key>comment</key>
      <value>Beacon receiver channelizer</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>decimation</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1904, 708)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>freq_xlating_fir_filter_xxx_0</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>taps</key>
      <value>firdes.complex_band_pass(1, samp_rate, -samp_rate/(2*decimation), samp_rate/(2*decimation), beacontrack_bw)</value>
    </param>
    <param>
      <key>type</key>
      <value>ccc</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></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>cutoff_freq</key>
      <value>1000</value>
    </param>
    <param>
      <key>decim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>fir_filter_ccf</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1696, 836)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>id</key>
      <value>low_pass_filter_1</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/decimation</value>
    </param>
    <param>
      <key>width</key>
      <value>4000</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>0.2</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>bw</key>
      <value>samp_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>4096</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1680, 4)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>grid</key>
      <value>True</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>Corrected input spectrum</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>showports</key>
      <value>False</value>
    </param>
    <param>
      <key>freqhalf</key>
      <value>True</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>complex</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_freq_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>average</key>
      <value>0.2</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>bw</key>
      <value>8000</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>2048</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(528, 740)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>grid</key>
      <value>True</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_freq_sink_x_0_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>Costas loop output</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>showports</key>
      <value>True</value>
    </param>
    <param>
      <key>freqhalf</key>
      <value>True</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>complex</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_waterfall_sink_x</key>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>bw</key>
      <value>samp_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>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fftsize</key>
      <value>2048</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1680, 100)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>grid</key>
      <value>True</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_waterfall_sink_x_0</value>
    </param>
    <param>
      <key>int_max</key>
      <value>upper_int</value>
    </param>
    <param>
      <key>int_min</key>
      <value>lower_int</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>0</value>
    </param>
    <param>
      <key>label1</key>
      <value>test</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>0</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>0</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>0</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>0</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>0</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>0</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>0</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>0</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>0</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>Corrected input spectrum</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>showports</key>
      <value>False</value>
    </param>
    <param>
      <key>freqhalf</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>wintype</key>
      <value>firdes.WIN_BLACKMAN_hARRIS</value>
    </param>
  </block>
  <block>
    <key>rational_resampler_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>fbw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1360, 260)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>rational_resampler_xxx_0</value>
    </param>
    <param>
      <key>interp</key>
      <value>rx_audio_rate</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>ccc</value>
    </param>
  </block>
  <block>
    <key>rational_resampler_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>480000/decimation</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fbw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1048, 516)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rational_resampler_xxx_1</value>
    </param>
    <param>
      <key>interp</key>
      <value>480000</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>rational_resampler_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>samp_rate/decimation</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fbw</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(752, 740)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>rational_resampler_xxx_4</value>
    </param>
    <param>
      <key>interp</key>
      <value>8000</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>ccc</value>
    </param>
  </block>
  <block>
    <key>uhd_usrp_source</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>ant0</key>
      <value>RX2</value>
    </param>
    <param>
      <key>bw0</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq0</key>
      <value>RX_frequency</value>
    </param>
    <param>
      <key>dc_offs_enb0</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb0</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain0</key>
      <value>False</value>
    </param>
    <param>
      <key>gain0</key>
      <value>RX_gain</value>
    </param>
    <param>
      <key>lo_export0</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source0</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant10</key>
      <value></value>
    </param>
    <param>
      <key>bw10</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq10</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb10</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb10</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain10</key>
      <value>False</value>
    </param>
    <param>
      <key>gain10</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export10</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source10</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant11</key>
      <value></value>
    </param>
    <param>
      <key>bw11</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq11</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb11</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb11</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain11</key>
      <value>False</value>
    </param>
    <param>
      <key>gain11</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export11</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source11</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant12</key>
      <value></value>
    </param>
    <param>
      <key>bw12</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq12</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb12</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb12</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain12</key>
      <value>False</value>
    </param>
    <param>
      <key>gain12</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export12</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source12</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant13</key>
      <value></value>
    </param>
    <param>
      <key>bw13</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq13</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb13</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb13</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain13</key>
      <value>False</value>
    </param>
    <param>
      <key>gain13</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export13</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source13</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant14</key>
      <value></value>
    </param>
    <param>
      <key>bw14</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq14</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb14</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb14</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain14</key>
      <value>False</value>
    </param>
    <param>
      <key>gain14</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export14</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source14</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant15</key>
      <value></value>
    </param>
    <param>
      <key>bw15</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq15</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb15</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb15</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain15</key>
      <value>False</value>
    </param>
    <param>
      <key>gain15</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export15</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source15</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant16</key>
      <value></value>
    </param>
    <param>
      <key>bw16</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq16</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb16</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb16</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain16</key>
      <value>False</value>
    </param>
    <param>
      <key>gain16</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export16</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source16</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant17</key>
      <value></value>
    </param>
    <param>
      <key>bw17</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq17</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb17</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb17</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain17</key>
      <value>False</value>
    </param>
    <param>
      <key>gain17</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export17</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source17</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant18</key>
      <value></value>
    </param>
    <param>
      <key>bw18</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq18</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb18</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb18</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain18</key>
      <value>False</value>
    </param>
    <param>
      <key>gain18</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export18</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source18</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant19</key>
      <value></value>
    </param>
    <param>
      <key>bw19</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq19</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb19</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb19</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain19</key>
      <value>False</value>
    </param>
    <param>
      <key>gain19</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export19</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source19</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant1</key>
      <value></value>
    </param>
    <param>
      <key>bw1</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq1</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb1</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb1</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain1</key>
      <value>False</value>
    </param>
    <param>
      <key>gain1</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export1</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source1</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant20</key>
      <value></value>
    </param>
    <param>
      <key>bw20</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq20</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb20</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb20</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain20</key>
      <value>False</value>
    </param>
    <param>
      <key>gain20</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export20</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source20</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant21</key>
      <value></value>
    </param>
    <param>
      <key>bw21</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq21</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb21</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb21</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain21</key>
      <value>False</value>
    </param>
    <param>
      <key>gain21</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export21</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source21</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant22</key>
      <value></value>
    </param>
    <param>
      <key>bw22</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq22</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb22</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb22</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain22</key>
      <value>False</value>
    </param>
    <param>
      <key>gain22</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export22</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source22</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant23</key>
      <value></value>
    </param>
    <param>
      <key>bw23</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq23</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb23</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb23</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain23</key>
      <value>False</value>
    </param>
    <param>
      <key>gain23</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export23</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source23</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant24</key>
      <value></value>
    </param>
    <param>
      <key>bw24</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq24</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb24</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb24</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain24</key>
      <value>False</value>
    </param>
    <param>
      <key>gain24</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export24</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source24</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant25</key>
      <value></value>
    </param>
    <param>
      <key>bw25</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq25</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb25</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb25</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain25</key>
      <value>False</value>
    </param>
    <param>
      <key>gain25</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export25</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source25</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant26</key>
      <value></value>
    </param>
    <param>
      <key>bw26</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq26</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb26</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb26</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain26</key>
      <value>False</value>
    </param>
    <param>
      <key>gain26</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export26</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source26</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant27</key>
      <value></value>
    </param>
    <param>
      <key>bw27</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq27</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb27</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb27</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain27</key>
      <value>False</value>
    </param>
    <param>
      <key>gain27</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export27</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source27</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant28</key>
      <value></value>
    </param>
    <param>
      <key>bw28</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq28</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb28</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb28</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain28</key>
      <value>False</value>
    </param>
    <param>
      <key>gain28</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export28</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source28</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant29</key>
      <value></value>
    </param>
    <param>
      <key>bw29</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq29</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb29</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb29</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain29</key>
      <value>False</value>
    </param>
    <param>
      <key>gain29</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export29</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source29</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant2</key>
      <value></value>
    </param>
    <param>
      <key>bw2</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq2</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb2</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb2</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain2</key>
      <value>False</value>
    </param>
    <param>
      <key>gain2</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export2</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source2</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant30</key>
      <value></value>
    </param>
    <param>
      <key>bw30</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq30</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb30</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb30</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain30</key>
      <value>False</value>
    </param>
    <param>
      <key>gain30</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export30</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source30</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant31</key>
      <value></value>
    </param>
    <param>
      <key>bw31</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq31</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb31</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb31</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain31</key>
      <value>False</value>
    </param>
    <param>
      <key>gain31</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export31</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source31</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant3</key>
      <value></value>
    </param>
    <param>
      <key>bw3</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq3</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb3</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb3</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain3</key>
      <value>False</value>
    </param>
    <param>
      <key>gain3</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export3</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source3</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant4</key>
      <value></value>
    </param>
    <param>
      <key>bw4</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq4</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb4</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb4</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain4</key>
      <value>False</value>
    </param>
    <param>
      <key>gain4</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export4</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source4</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant5</key>
      <value></value>
    </param>
    <param>
      <key>bw5</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq5</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb5</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb5</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain5</key>
      <value>False</value>
    </param>
    <param>
      <key>gain5</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export5</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source5</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant6</key>
      <value></value>
    </param>
    <param>
      <key>bw6</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq6</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb6</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb6</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain6</key>
      <value>False</value>
    </param>
    <param>
      <key>gain6</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export6</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source6</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant7</key>
      <value></value>
    </param>
    <param>
      <key>bw7</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq7</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb7</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb7</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain7</key>
      <value>False</value>
    </param>
    <param>
      <key>gain7</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export7</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source7</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant8</key>
      <value></value>
    </param>
    <param>
      <key>bw8</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq8</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb8</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb8</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain8</key>
      <value>False</value>
    </param>
    <param>
      <key>gain8</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export8</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source8</key>
      <value>internal</value>
    </param>
    <param>
      <key>ant9</key>
      <value></value>
    </param>
    <param>
      <key>bw9</key>
      <value>0</value>
    </param>
    <param>
      <key>center_freq9</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offs_enb9</key>
      <value>""</value>
    </param>
    <param>
      <key>iq_imbal_enb9</key>
      <value>""</value>
    </param>
    <param>
      <key>norm_gain9</key>
      <value>False</value>
    </param>
    <param>
      <key>gain9</key>
      <value>0</value>
    </param>
    <param>
      <key>lo_export9</key>
      <value>False</value>
    </param>
    <param>
      <key>lo_source9</key>
      <value>internal</value>
    </param>
    <param>
      <key>clock_rate</key>
      <value>0.0</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dev_addr</key>
      <value>""</value>
    </param>
    <param>
      <key>dev_args</key>
      <value>""</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2160, 212)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>180</value>
    </param>
    <param>
      <key>id</key>
      <value>uhd_usrp_source_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>clock_source0</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec0</key>
      <value></value>
    </param>
    <param>
      <key>time_source0</key>
      <value></value>
    </param>
    <param>
      <key>clock_source1</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec1</key>
      <value></value>
    </param>
    <param>
      <key>time_source1</key>
      <value></value>
    </param>
    <param>
      <key>clock_source2</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec2</key>
      <value></value>
    </param>
    <param>
      <key>time_source2</key>
      <value></value>
    </param>
    <param>
      <key>clock_source3</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec3</key>
      <value></value>
    </param>
    <param>
      <key>time_source3</key>
      <value></value>
    </param>
    <param>
      <key>clock_source4</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec4</key>
      <value></value>
    </param>
    <param>
      <key>time_source4</key>
      <value></value>
    </param>
    <param>
      <key>clock_source5</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec5</key>
      <value></value>
    </param>
    <param>
      <key>time_source5</key>
      <value></value>
    </param>
    <param>
      <key>clock_source6</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec6</key>
      <value></value>
    </param>
    <param>
      <key>time_source6</key>
      <value></value>
    </param>
    <param>
      <key>clock_source7</key>
      <value></value>
    </param>
    <param>
      <key>sd_spec7</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>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>hide_cmd_port</key>
      <value>False</value>
    </param>
    <param>
      <key>hide_lo_controls</key>
      <value>True</value>
    </param>
    <param>
      <key>stream_args</key>
      <value></value>
    </param>
    <param>
      <key>stream_chans</key>
      <value>[]</value>
    </param>
    <param>
      <key>sync</key>
      <value></value>
    </param>
    <param>
      <key>otw</key>
      <value></value>
    </param>
  </block>
  <connection>
    <source_block_id>analog_agc2_xx_0</source_block_id>
    <sink_block_id>blocks_complex_to_real_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_agc2_xx_0_0</source_block_id>
    <sink_block_id>digital_costas_loop_cc_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_sig_source_x_0</source_block_id>
    <sink_block_id>blocks_add_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_sig_source_x_2_0</source_block_id>
    <sink_block_id>blocks_conjugate_cc_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_sig_source_x_2_0_0</source_block_id>
    <sink_block_id>blocks_conjugate_cc_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>band_pass_filter_0_0</source_block_id>
    <sink_block_id>analog_agc2_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_add_xx_0</source_block_id>
    <sink_block_id>blocks_multiply_const_vxx_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_complex_to_real_0</source_block_id>
    <sink_block_id>blocks_add_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_conjugate_cc_0</source_block_id>
    <sink_block_id>blocks_multiply_xx_1_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_conjugate_cc_0_0</source_block_id>
    <sink_block_id>blocks_multiply_xx_1_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
    <sink_block_id>blocks_probe_signal_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
    <sink_block_id>rational_resampler_xxx_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_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>blocks_multiply_xx_0</source_block_id>
    <sink_block_id>blocks_multiply_xx_1_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_xx_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>blocks_multiply_xx_0</source_block_id>
    <sink_block_id>qtgui_waterfall_sink_x_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_xx_1_0</source_block_id>
    <sink_block_id>blocks_multiply_xx_1_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_xx_1_0_0</source_block_id>
    <sink_block_id>rational_resampler_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_vco_c_0</source_block_id>
    <sink_block_id>blocks_multiply_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
    <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
    <source_key>1</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
    <sink_block_id>rational_resampler_xxx_4</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
    <sink_block_id>blocks_null_sink_1</sink_block_id>
    <source_key>2</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
    <sink_block_id>analog_agc2_xx_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
    <sink_block_id>low_pass_filter_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>low_pass_filter_1</source_block_id>
    <sink_block_id>analog_probe_avg_mag_sqrd_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>qtgui_freq_sink_x_0</source_block_id>
    <sink_block_id>analog_sig_source_x_2_0</sink_block_id>
    <source_key>freq</source_key>
    <sink_key>freq</sink_key>
  </connection>
  <connection>
    <source_block_id>qtgui_waterfall_sink_x_0</source_block_id>
    <sink_block_id>analog_sig_source_x_2_0</sink_block_id>
    <source_key>freq</source_key>
    <sink_key>freq</sink_key>
  </connection>
  <connection>
    <source_block_id>rational_resampler_xxx_0</source_block_id>
    <sink_block_id>band_pass_filter_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rational_resampler_xxx_1</source_block_id>
    <sink_block_id>blocks_vco_c_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>rational_resampler_xxx_4</source_block_id>
    <sink_block_id>qtgui_freq_sink_x_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>uhd_usrp_source_0</source_block_id>
    <sink_block_id>blocks_multiply_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>uhd_usrp_source_0</source_block_id>
    <sink_block_id>freq_xlating_fir_filter_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
</flow_graph>