<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
  <timestamp>Sun Mar 17 21:00:28 2013</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>id</key>
      <value>pfb_sync_test_qt</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>title</key>
      <value></value>
    </param>
    <param>
      <key>author</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>window_size</key>
      <value>1280,1024</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>run_options</key>
      <value>prompt</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(10, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>sps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(105, 126)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>300000</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(14, 124)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>id</key>
      <value>import_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>import</key>
      <value>import random, math, cmath</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(14, 77)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_packed_to_unpacked_xx</key>
    <param>
      <key>id</key>
      <value>blocks_packed_to_unpacked_xx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>bits_per_chunk</key>
      <value>8</value>
    </param>
    <param>
      <key>endianness</key>
      <value>gr.GR_MSB_FIRST</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(419, 10)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_throttle</key>
    <param>
      <key>id</key>
      <value>blocks_throttle_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>samples_per_second</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(436, 97)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_psk_mod</key>
    <param>
      <key>id</key>
      <value>digital_psk_mod_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>constellation_points</key>
      <value>4</value>
    </param>
    <param>
      <key>mod_code</key>
      <value>"gray"</value>
    </param>
    <param>
      <key>differential</key>
      <value>True</value>
    </param>
    <param>
      <key>samples_per_symbol</key>
      <value>sps</value>
    </param>
    <param>
      <key>excess_bw</key>
      <value>0.35</value>
    </param>
    <param>
      <key>verbose</key>
      <value>False</value>
    </param>
    <param>
      <key>log</key>
      <value>False</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(627, 65)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_pfb_clock_sync_xxx</key>
    <param>
      <key>id</key>
      <value>digital_pfb_clock_sync_xxx_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>ccf</value>
    </param>
    <param>
      <key>sps</key>
      <value>sps</value>
    </param>
    <param>
      <key>loop_bw</key>
      <value>2*3.14/100.0</value>
    </param>
    <param>
      <key>taps</key>
      <value>firdes.root_raised_cosine(nfilts, nfilts,1.0/sps, 0.35, int(22*sps*nfilts))</value>
    </param>
    <param>
      <key>filter_size</key>
      <value>nfilts</value>
    </param>
    <param>
      <key>init_phase</key>
      <value>nfilts/2</value>
    </param>
    <param>
      <key>max_dev</key>
      <value>1.5</value>
    </param>
    <param>
      <key>osps</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(339, 195)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>nfilts</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>32</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(74, 390)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>amps</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>[1]</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(7, 390)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>id</key>
      <value>graymap</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>value</key>
      <value>[[3,1,0,2]]</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(7, 326)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>qtgui_const_sink_x</key>
    <param>
      <key>id</key>
      <value>qtgui_const_sink_x_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>name</key>
      <value></value>
    </param>
    <param>
      <key>size</key>
      <value>1024</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-2</value>
    </param>
    <param>
      <key>ymax</key>
      <value>2</value>
    </param>
    <param>
      <key>xmin</key>
      <value>-2</value>
    </param>
    <param>
      <key>xmax</key>
      <value>2</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>2</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(752, 196)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>channels_channel_model</key>
    <param>
      <key>id</key>
      <value>channels_channel_model_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>noise_voltage</key>
      <value>noise</value>
    </param>
    <param>
      <key>freq_offset</key>
      <value>0.0</value>
    </param>
    <param>
      <key>epsilon</key>
      <value>1.0</value>
    </param>
    <param>
      <key>taps</key>
      <value>cmath.exp(1j*phase)</value>
    </param>
    <param>
      <key>seed</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(68, 211)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_ctrlport_probe2_c</key>
    <param>
      <key>id</key>
      <value>received_probe2</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>name</key>
      <value>received</value>
    </param>
    <param>
      <key>desc</key>
      <value>Constellation Points</value>
    </param>
    <param>
      <key>len</key>
      <value>1024</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(195, 519)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>id</key>
      <value>phase</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Phase</value>
    </param>
    <param>
      <key>value</key>
      <value>0.5</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>stop</key>
      <value>2</value>
    </param>
    <param>
      <key>step</key>
      <value>0.01</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(266, 344)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_ctrlport_probe2_c</key>
    <param>
      <key>id</key>
      <value>time_probe2</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>name</key>
      <value>time locked</value>
    </param>
    <param>
      <key>desc</key>
      <value>Constellation Points</value>
    </param>
    <param>
      <key>len</key>
      <value>1024</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(447, 440)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>id</key>
      <value>noise</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>label</key>
      <value>Noise</value>
    </param>
    <param>
      <key>value</key>
      <value>0.050</value>
    </param>
    <param>
      <key>start</key>
      <value>0.0001</value>
    </param>
    <param>
      <key>stop</key>
      <value>2</value>
    </param>
    <param>
      <key>step</key>
      <value>0.01</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(7, 455)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>digital_costas_loop_cc</key>
    <param>
      <key>id</key>
      <value>digital_costas_loop_cc_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>w</key>
      <value>6.28/100.0</value>
    </param>
    <param>
      <key>order</key>
      <value>4</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(610, 279)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_null_sink</key>
    <param>
      <key>id</key>
      <value>blocks_null_sink_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(859, 279)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_ctrlport_probe2_c</key>
    <param>
      <key>id</key>
      <value>phase_probe2</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>name</key>
      <value>phase locked</value>
    </param>
    <param>
      <key>desc</key>
      <value>Constellation Points</value>
    </param>
    <param>
      <key>len</key>
      <value>1024</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(681, 379)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_vector_source_x</key>
    <param>
      <key>id</key>
      <value>blocks_vector_source_x_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>vector</key>
      <value>(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50)</value>
    </param>
    <param>
      <key>tags</key>
      <value>[]</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(190, 71)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_ctrlport_monitor</key>
    <param>
      <key>id</key>
      <value>blocks_ctrlport_monitor_0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>en</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(193, 7)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
  </block>
  <connection>
    <source_block_id>blocks_throttle_0</source_block_id>
    <sink_block_id>digital_psk_mod_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
    <sink_block_id>qtgui_const_sink_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
    <sink_block_id>qtgui_const_sink_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
    <sink_block_id>blocks_null_sink_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>channels_channel_model_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>digital_psk_mod_0</source_block_id>
    <sink_block_id>channels_channel_model_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_costas_loop_cc_0</source_block_id>
    <sink_block_id>phase_probe2</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_packed_to_unpacked_xx_0</source_block_id>
    <sink_block_id>blocks_throttle_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_vector_source_x_0</source_block_id>
    <sink_block_id>blocks_packed_to_unpacked_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>channels_channel_model_0</source_block_id>
    <sink_block_id>received_probe2</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
    <sink_block_id>time_probe2</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
    <sink_block_id>digital_costas_loop_cc_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
</flow_graph>
