dsss_bpsk.grc

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.13'?>
<flow_graph>
  <timestamp>Sun Nov 18 12:05:37 2018</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value></value>
    </param>
    <param>
      <key>window_size</key>
      <value></value>
    </param>
    <param>
      <key>category</key>
      <value>[GRC Hier Blocks]</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 8)</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>sizing_mode</key>
      <value>fixed</value>
    </param>
    <param>
      <key>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value></value>
    </param>
    <param>
      <key>placement</key>
      <value>(0,0)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(106, 69)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>code1</value>
    </param>
    <param>
      <key>value</key>
      <value>'010110011011101100010101011111101001001110001011010001101010001'</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>(757, 5)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>excess_bw</value>
    </param>
    <param>
      <key>value</key>
      <value>0.35</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>(757, 133)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>generator</value>
    </param>
    <param>
      <key>value</key>
      <value>1, 0, 0, 1, 0, 0, 0, 0, 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>(906, 112)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>init</value>
    </param>
    <param>
      <key>value</key>
      <value>1, 1, 1, 1, 1, 1, 1, 1, 1, 1</value>
    </param>
  </block>
  <block>
    <key>variable_constellation</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const_points</key>
      <value>[0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]</value>
    </param>
    <param>
      <key>type</key>
      <value>bpsk</value>
    </param>
    <param>
      <key>dims</key>
      <value>2</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(416, 5)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>qpsk1</value>
    </param>
    <param>
      <key>rot_sym</key>
      <value>2</value>
    </param>
    <param>
      <key>soft_dec_lut</key>
      <value>None</value>
    </param>
    <param>
      <key>precision</key>
      <value>1</value>
    </param>
    <param>
      <key>sym_map</key>
      <value>[0, 1, 2, 3]</value>
    </param>
  </block>
  <block>
    <key>variable_constellation_rect</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const_points</key>
      <value>[0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(586, 5)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>qpsk1</value>
    </param>
    <param>
      <key>imag_sect</key>
      <value>2</value>
    </param>
    <param>
      <key>real_sect</key>
      <value>2</value>
    </param>
    <param>
      <key>rot_sym</key>
      <value>4</value>
    </param>
    <param>
      <key>soft_dec_lut</key>
      <value>None</value>
    </param>
    <param>
      <key>precision</key>
      <value>8</value>
    </param>
    <param>
      <key>sym_map</key>
      <value>[0, 1, 2, 3]</value>
    </param>
    <param>
      <key>w_imag_sect</key>
      <value>1</value>
    </param>
    <param>
      <key>w_real_sect</key>
      <value>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>(256, 5)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rrc_taps</value>
    </param>
    <param>
      <key>value</key>
      <value>firdes.root_raised_cosine(1, sps, 1, excess_bw, 45)</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>(746, 69)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_chip</value>
    </param>
    <param>
      <key>value</key>
      <value>2</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>(0, 69)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>32000</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>(490, 69)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_sym</value>
    </param>
    <param>
      <key>value</key>
      <value>32</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>(170, 5)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>sps</value>
    </param>
    <param>
      <key>value</key>
      <value>8</value>
    </param>
  </block>
  <block>
    <key>Spread_ds_despreader</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>(213, 656)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>gen</key>
      <value>generator</value>
    </param>
    <param>
      <key>id</key>
      <value>Spread_ds_despreader_0</value>
    </param>
    <param>
      <key>init</key>
      <value>init</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samples_between</key>
      <value>1024</value>
    </param>
    <param>
      <key>samples_per_chip</key>
      <value>samp_chip</value>
    </param>
    <param>
      <key>threshold</key>
      <value>2045</value>
    </param>
  </block>
  <block>
    <key>Spread_ds_spreader</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>(522, 304)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>gen</key>
      <value>generator</value>
    </param>
    <param>
      <key>id</key>
      <value>Spread_ds_spreader_0</value>
    </param>
    <param>
      <key>init</key>
      <value>init</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samples_per_chip</key>
      <value>samp_chip</value>
    </param>
  </block>
  <block>
    <key>Spread_preamble</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>(245, 378)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>Spread_preamble_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>pattern</key>
      <value>64*(1, 1)</value>
    </param>
    <param>
      <key>samples_between</key>
      <value>1389</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
  </block>
  <block>
    <key>analog_random_source_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>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 213)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_random_source_x_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>255</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>num_samps</key>
      <value>1000</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
  </block>
  <block>
    <key>blks2_packet_decoder</key>
    <param>
      <key>access_code</key>
      <value>code1</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>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(864, 890)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blks2_packet_decoder_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>threshold</key>
      <value>-1</value>
    </param>
  </block>
  <block>
    <key>blks2_packet_encoder</key>
    <param>
      <key>access_code</key>
      <value>code1</value>
    </param>
    <param>
      <key>bits_per_symbol</key>
      <value>1</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>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(234, 229)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blks2_packet_encoder_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>pad_for_usrp</key>
      <value>False</value>
    </param>
    <param>
      <key>payload_length</key>
      <value>8</value>
    </param>
    <param>
      <key>preamble</key>
      <value></value>
    </param>
    <param>
      <key>samples_per_symbol</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_char_to_float</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>(885, 784)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_char_to_float_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>scale</key>
      <value>1</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_file_sink</key>
    <param>
      <key>append</key>
      <value>False</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>1</value>
    </param>
    <param>
      <key>file</key>
      <value>/Users/cake/Desktop/Projects/plutoSDR/out.txt</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1109, 880)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_file_sink_1</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>unbuffered</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_file_source</key>
    <param>
      <key>begin_tag</key>
      <value>pmt.PMT_NIL</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>0</value>
    </param>
    <param>
      <key>file</key>
      <value>/Users/cake/Desktop/Projects/plutoSDR/2byte.txt</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 304)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_file_source_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_repeat</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>(437, 197)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_repeat_0</value>
    </param>
    <param>
      <key>interp</key>
      <value>samp_sym</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_unpack_k_bits_bb</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>(682, 784)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_unpack_k_bits_bb_0</value>
    </param>
    <param>
      <key>k</key>
      <value>1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_unpacked_to_packed_xx</key>
    <param>
      <key>bits_per_chunk</key>
      <value>1</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>0</value>
    </param>
    <param>
      <key>endianness</key>
      <value>gr.GR_MSB_FIRST</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(298, 144)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_unpacked_to_packed_xx_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
  </block>
  <block>
    <key>blocks_unpacked_to_packed_xx</key>
    <param>
      <key>bits_per_chunk</key>
      <value>1</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>endianness</key>
      <value>gr.GR_MSB_FIRST</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(661, 197)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_unpacked_to_packed_xx_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
  </block>
  <block>
    <key>blocks_vector_source_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>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 133)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_vector_source_x_0_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
    <param>
      <key>tags</key>
      <value>[]</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>vector</key>
      <value>(0,1)</value>
    </param>
  </block>
  <block>
    <key>digital_cma_equalizer_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>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(693, 512)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>mu</key>
      <value>.010</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_cma_equalizer_cc_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>modulus</key>
      <value>1</value>
    </param>
    <param>
      <key>num_taps</key>
      <value>15</value>
    </param>
    <param>
      <key>sps</key>
      <value>sps</value>
    </param>
  </block>
  <block>
    <key>digital_constellation_decoder_cb</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>constellation</key>
      <value>qpsk1</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(74, 784)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_constellation_decoder_cb_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_constellation_modulator</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>constellation</key>
      <value>qpsk1</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>differential</key>
      <value>True</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>excess_bw</key>
      <value>excess_bw</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(832, 224)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_constellation_modulator_0</value>
    </param>
    <param>
      <key>log</key>
      <value>False</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samples_per_symbol</key>
      <value>sps</value>
    </param>
    <param>
      <key>verbose</key>
      <value>False</value>
    </param>
  </block>
  <block>
    <key>digital_costas_loop_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>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(949, 442)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_costas_loop_cc_0</value>
    </param>
    <param>
      <key>w</key>
      <value>0.0628</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>True</value>
    </param>
  </block>
  <block>
    <key>digital_diff_decoder_bb</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>(480, 784)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_diff_decoder_bb_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>modulus</key>
      <value>2</value>
    </param>
  </block>
  <block>
    <key>digital_lms_dd_equalizer_cc</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>cnst</key>
      <value>qpsk1</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(693, 373)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>mu</key>
      <value>0.050</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_lms_dd_equalizer_cc_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_taps</key>
      <value>21</value>
    </param>
    <param>
      <key>sps</key>
      <value>sps</value>
    </param>
  </block>
  <block>
    <key>digital_map_bb</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>(309, 784)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_map_bb_0</value>
    </param>
    <param>
      <key>map</key>
      <value>[0,1]</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_pfb_clock_sync_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>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>filter_size</key>
      <value>32</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(448, 432)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_pfb_clock_sync_xxx_0</value>
    </param>
    <param>
      <key>init_phase</key>
      <value>16</value>
    </param>
    <param>
      <key>loop_bw</key>
      <value>0.0682</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>max_dev</key>
      <value>1.5</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>osps</key>
      <value>sps</value>
    </param>
    <param>
      <key>sps</key>
      <value>sps</value>
    </param>
    <param>
      <key>taps</key>
      <value>rrc_taps</value>
    </param>
    <param>
      <key>type</key>
      <value>ccf</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(320, 69)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>hdr_format</value>
    </param>
    <param>
      <key>label</key>
      <value>Header Formatter</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>digital.header_format_default(digital.packet_utils.default_access_code, 0)</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>1000000</value>
    </param>
    <param>
      <key>decim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>fir_filter_ccf</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(213, 458)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>gain</key>
      <value>1</value>
    </param>
    <param>
      <key>id</key>
      <value>low_pass_filter_2</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>2084000</value>
    </param>
    <param>
      <key>width</key>
      <value>500000</value>
    </param>
    <param>
      <key>win</key>
      <value>firdes.WIN_HAMMING</value>
    </param>
  </block>
  <block>
    <key>pluto_sink</key>
    <param>
      <key>attenuation</key>
      <value>0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>buffer_size</key>
      <value>0x8000</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>cyclic</key>
      <value>False</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>auto_filter</key>
      <value>True</value>
    </param>
    <param>
      <key>filter</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1098, 197)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>pluto_sink_2</value>
    </param>
    <param>
      <key>uri</key>
      <value>ip:pluto.local</value>
    </param>
    <param>
      <key>frequency</key>
      <value>800000000</value>
    </param>
    <param>
      <key>bandwidth</key>
      <value>20000000</value>
    </param>
    <param>
      <key>samplerate</key>
      <value>2084000</value>
    </param>
  </block>
  <block>
    <key>pluto_source</key>
    <param>
      <key>bbdc</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>buffer_size</key>
      <value>0x8000</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>uri</key>
      <value>ip:pluto.local</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>0</value>
    </param>
    <param>
      <key>auto_filter</key>
      <value>True</value>
    </param>
    <param>
      <key>filter</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 421)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>gain</key>
      <value>"manual"</value>
    </param>
    <param>
      <key>id</key>
      <value>pluto_source_0</value>
    </param>
    <param>
      <key>frequency</key>
      <value>800000000</value>
    </param>
    <param>
      <key>manual_gain</key>
      <value>15</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>quadrature</key>
      <value>True</value>
    </param>
    <param>
      <key>rfdc</key>
      <value>True</value>
    </param>
    <param>
      <key>bandwidth</key>
      <value>20000000</value>
    </param>
    <param>
      <key>samplerate</key>
      <value>2084000</value>
    </param>
  </block>
  <block>
    <key>wxgui_fftsink2</key>
    <param>
      <key>avg_alpha</key>
      <value>0</value>
    </param>
    <param>
      <key>average</key>
      <value>False</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>0</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>1024</value>
    </param>
    <param>
      <key>freqvar</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1077, 0)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></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>FFT Plot</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_scopesink2</key>
    <param>
      <key>ac_couple</key>
      <value>False</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>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(906, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>id</key>
      <value>wxgui_scopesink2_0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>t_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>title</key>
      <value>Scope Plot</value>
    </param>
    <param>
      <key>trig_mode</key>
      <value>wxgui.TRIG_MODE_AUTO</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>v_offset</key>
      <value>0</value>
    </param>
    <param>
      <key>v_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>xy_mode</key>
      <value>False</value>
    </param>
    <param>
      <key>y_axis_label</key>
      <value>Counts</value>
    </param>
  </block>
  <block>
    <key>wxgui_scopesink2</key>
    <param>
      <key>ac_couple</key>
      <value>False</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>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1152, 426)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>id</key>
      <value>wxgui_scopesink2_0_0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>t_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>title</key>
      <value>constelation</value>
    </param>
    <param>
      <key>trig_mode</key>
      <value>wxgui.TRIG_MODE_AUTO</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>v_offset</key>
      <value>0</value>
    </param>
    <param>
      <key>v_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>xy_mode</key>
      <value>False</value>
    </param>
    <param>
      <key>y_axis_label</key>
      <value>Counts</value>
    </param>
  </block>
  <block>
    <key>wxgui_scopesink2</key>
    <param>
      <key>ac_couple</key>
      <value>False</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>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1130, 768)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>id</key>
      <value>wxgui_scopesink2_2</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>1</value>
    </param>
    <param>
      <key>samp_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>t_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>title</key>
      <value>Received binary</value>
    </param>
    <param>
      <key>trig_mode</key>
      <value>wxgui.TRIG_MODE_AUTO</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>v_offset</key>
      <value>0</value>
    </param>
    <param>
      <key>v_scale</key>
      <value>0</value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
    <param>
      <key>xy_mode</key>
      <value>False</value>
    </param>
    <param>
      <key>y_axis_label</key>
      <value>Counts</value>
    </param>
  </block>
  <block>
    <key>wxgui_termsink</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>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1120, 624)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid_pos</key>
      <value></value>
    </param>
    <param>
      <key>id</key>
      <value>wxgui_termsink_0</value>
    </param>
    <param>
      <key>notebook</key>
      <value></value>
    </param>
    <param>
      <key>win_size</key>
      <value></value>
    </param>
  </block>
  <connection>
    <source_block_id>Spread_ds_despreader_0</source_block_id>
    <sink_block_id>digital_pfb_clock_sync_xxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>Spread_ds_spreader_0</source_block_id>
    <sink_block_id>blocks_unpacked_to_packed_xx_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>Spread_preamble_0</source_block_id>
    <sink_block_id>blocks_repeat_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_packet_decoder_0_0</source_block_id>
    <sink_block_id>blocks_file_sink_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_packet_encoder_0_0</source_block_id>
    <sink_block_id>digital_constellation_modulator_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_char_to_float_1</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_file_source_0</source_block_id>
    <sink_block_id>blks2_packet_encoder_0_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_repeat_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_unpack_k_bits_bb_0</source_block_id>
    <sink_block_id>blks2_packet_decoder_0_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_unpack_k_bits_bb_0</source_block_id>
    <sink_block_id>blocks_char_to_float_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_unpacked_to_packed_xx_0</source_block_id>
    <sink_block_id>digital_constellation_modulator_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_unpacked_to_packed_xx_0_0</source_block_id>
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    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_vector_source_x_0_0_0</source_block_id>
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    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_vector_source_x_0_0_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_cma_equalizer_cc_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_constellation_decoder_cb_0</source_block_id>
    <sink_block_id>digital_map_bb_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_constellation_modulator_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_constellation_modulator_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_diff_decoder_bb_1</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_lms_dd_equalizer_cc_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_map_bb_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>low_pass_filter_2</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>pluto_source_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
</flow_graph>