<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.10'?>
<flow_graph>
  <timestamp>Wed Mar  2 01:44:34 2016</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value>Jacek Lipkowski SQ5BPF</value>
    </param>
    <param>
      <key>window_size</key>
      <value>2048, 2048</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>wx_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>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value>SQ5BPF Tetra live receiver 1ch simple UDP demo with fixed offset (gnuradio 3.7 version)</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>(547, 15)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>first_decim</value>
    </param>
    <param>
      <key>value</key>
      <value>32</value>
    </param>
  </block>
  <block>
    <key>variable_text_box</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>426e6</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(15, 118)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>2,0,1,1</value>
    </param>
    <param>
      <key>id</key>
      <value>freq</value>
    </param>
    <param>
      <key>label</key>
      <value>Frequency</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>variable_static_text</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>freq+xlate_offset_fine1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(48, 552)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>3,0,1,1</value>
    </param>
    <param>
      <key>id</key>
      <value>frx1</value>
    </param>
    <param>
      <key>label</key>
      <value>Receive frequency</value>
    </param>
    <param>
      <key>notebook</key>
      <value></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>(315, 18)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>if_samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>samp_rate/first_decim</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>(654, 18)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>options_low_pass</value>
    </param>
    <param>
      <key>value</key>
      <value>12500</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>(419, 18)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>out_sample_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>36000</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(17, 368)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>2,1,1,1</value>
    </param>
    <param>
      <key>id</key>
      <value>ppm_corr</value>
    </param>
    <param>
      <key>label</key>
      <value>ppm</value>
    </param>
    <param>
      <key>max</key>
      <value>100</value>
    </param>
    <param>
      <key>min</key>
      <value>-100</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_steps</key>
      <value>200</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</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>(223, 19)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>2000000</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>20</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 672)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>2,2,1,1</value>
    </param>
    <param>
      <key>id</key>
      <value>sdr_gain</value>
    </param>
    <param>
      <key>label</key>
      <value>SDR Input Gain</value>
    </param>
    <param>
      <key>max</key>
      <value>100</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_steps</key>
      <value>50</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>20</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(208, 514)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>2,3,1,1</value>
    </param>
    <param>
      <key>id</key>
      <value>sdr_ifgain</value>
    </param>
    <param>
      <key>label</key>
      <value>SDR IF Gain</value>
    </param>
    <param>
      <key>max</key>
      <value>30</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_steps</key>
      <value>30</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</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>(416, 868)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>udp_dest_addr</value>
    </param>
    <param>
      <key>value</key>
      <value>"127.0.0.1"</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>(320, 772)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>udp_first_port</value>
    </param>
    <param>
      <key>value</key>
      <value>42001</value>
    </param>
  </block>
  <block>
    <key>variable_static_text</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>str_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>"Please use M (mega) , k (kilo) sufixes where appropriate and press Enter after inputing text.\nPlease look at the gnuradio-companion console for possible errors (like PLL unlock etc)"</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(841, 14)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>4,0,2,5</value>
    </param>
    <param>
      <key>id</key>
      <value>variable_static_text_0</value>
    </param>
    <param>
      <key>label</key>
      <value>Notice</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>625000</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(176, 368)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>id</key>
      <value>xlate_offset1</value>
    </param>
    <param>
      <key>label</key>
      <value>xlate_offset1</value>
    </param>
    <param>
      <key>max</key>
      <value>1e6</value>
    </param>
    <param>
      <key>min</key>
      <value>-1e6</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_steps</key>
      <value>1000</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
  </block>
  <block>
    <key>variable_slider</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>converver</key>
      <value>float_converter</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(176, 728)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>3,1,1,4</value>
    </param>
    <param>
      <key>id</key>
      <value>xlate_offset_fine1</value>
    </param>
    <param>
      <key>label</key>
      <value>Fine Tune</value>
    </param>
    <param>
      <key>max</key>
      <value>10000</value>
    </param>
    <param>
      <key>min</key>
      <value>-10000</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_steps</key>
      <value>200</value>
    </param>
    <param>
      <key>style</key>
      <value>wx.SL_HORIZONTAL</value>
    </param>
  </block>
  <block>
    <key>blocks_udp_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>ipaddr</key>
      <value>udp_dest_addr</value>
    </param>
    <param>
      <key>port</key>
      <value>udp_first_port</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(616, 335)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_udp_sink_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>psize</key>
      <value>1472</value>
    </param>
    <param>
      <key>eof</key>
      <value>False</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>fir_filter_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>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(368, 380)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>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_delay</key>
      <value>0</value>
    </param>
    <param>
      <key>taps</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>ccc</value>
    </param>
  </block>
  <block>
    <key>fractional_resampler_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>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(568, 232)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fractional_resampler_xx_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>phase_shift</key>
      <value>0</value>
    </param>
    <param>
      <key>resamp_ratio</key>
      <value>float(float(if_samp_rate)/float(out_sample_rate))</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
  </block>
  <block>
    <key>freq_xlating_fir_filter_xxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>center_freq</key>
      <value>xlate_offset1+xlate_offset_fine1</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>decim</key>
      <value>first_decim</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(520, 95)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</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.low_pass(1, samp_rate, options_low_pass, options_low_pass*0.2)</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>TX/RX</value>
    </param>
    <param>
      <key>bw0</key>
      <value>2e6</value>
    </param>
    <param>
      <key>center_freq0</key>
      <value>freq</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>sdr_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>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(216, 216)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</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>A:0</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>2e6</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>
  <block>
    <key>wxgui_fftsink2</key>
    <param>
      <key>avg_alpha</key>
      <value>0.1</value>
    </param>
    <param>
      <key>average</key>
      <value>True</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>freq</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>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>512</value>
    </param>
    <param>
      <key>freqvar</key>
      <value>freq</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(576, 504)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>1,0,1,5</value>
    </param>
    <param>
      <key>id</key>
      <value>wxgui_fftsink2_0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>peak_hold</key>
      <value>False</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>0</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>15</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>title</key>
      <value>Full Spectrum\n(click to tune)</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>y_divs</key>
      <value>10</value>
    </param>
    <param>
      <key>y_per_div</key>
      <value>10</value>
    </param>
  </block>
  <block>
    <key>wxgui_fftsink2</key>
    <param>
      <key>avg_alpha</key>
      <value>0.1</value>
    </param>
    <param>
      <key>average</key>
      <value>True</value>
    </param>
    <param>
      <key>baseband_freq</key>
      <value>0</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>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>256</value>
    </param>
    <param>
      <key>freqvar</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(853, 137)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value>0,0,1,5</value>
    </param>
    <param>
      <key>id</key>
      <value>wxgui_fftsink2_0_0_0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>peak_hold</key>
      <value>False</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>0</value>
    </param>
    <param>
      <key>ref_scale</key>
      <value>2.0</value>
    </param>
    <param>
      <key>fft_rate</key>
      <value>32</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>if_samp_rate</value>
    </param>
    <param>
      <key>title</key>
      <value>Channel 1 FFT</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>win</key>
      <value>None</value>
    </param>
    <param>
      <key>y_divs</key>
      <value>10</value>
    </param>
    <param>
      <key>y_per_div</key>
      <value>10</value>
    </param>
  </block>
  <connection>
    <source_block_id>fir_filter_xxx_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>
  <connection>
    <source_block_id>fir_filter_xxx_0</source_block_id>
    <sink_block_id>wxgui_fftsink2_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>fractional_resampler_xx_0</source_block_id>
    <sink_block_id>blocks_udp_sink_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>fractional_resampler_xx_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>wxgui_fftsink2_0_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>fir_filter_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
</flow_graph>
