options:
  parameters:
    author: Naoki Pross
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: correlator
    max_nouts: '0'
    output_language: python
    placement: (0,0)
    qt_qss_theme: ''
    realtime_scheduling: ''
    run: 'True'
    run_command: '{python} -u {filename}'
    run_options: prompt
    sizing_mode: fixed
    thread_safe_setters: ''
    title: Correlator Test
    window_size: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 8]
    rotation: 0
    state: enabled

blocks:
- name: access_code_symbols
  id: variable
  parameters:
    comment: ''
    value: '[(-1.4142135623730951-1.4142135623730951j), (1.4142135623730951-1.4142135623730951j),
      (1.4142135623730951+1.4142135623730951j), (1.4142135623730951+1.4142135623730951j),
      (-1.4142135623730951-1.4142135623730951j), (1.4142135623730951+1.4142135623730951j),
      (1.4142135623730951-1.4142135623730951j), (1.4142135623730951-1.4142135623730951j)]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [768, 1016.0]
    rotation: 0
    state: enabled
- name: const
  id: variable_constellation
  parameters:
    comment: ''
    const_points: '[-1-1j, -1+1j, 1+1j, 1-1j]'
    dims: '1'
    precision: '8'
    rot_sym: '4'
    soft_dec_lut: None
    sym_map: '[0, 1, 3, 2]'
    type: qpsk
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [592, 360.0]
    rotation: 0
    state: enabled
- name: excess_bw
  id: variable
  parameters:
    comment: ''
    value: '.35'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [496, 360.0]
    rotation: 0
    state: enabled
- name: nfilts
  id: variable
  parameters:
    comment: ''
    value: '32'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [224, 856.0]
    rotation: 0
    state: enabled
- name: revconj_access_code_symbols
  id: variable
  parameters:
    comment: ''
    value: '[(1.4142135623730951+1.4142135623730951j), (1.4142135623730951+1.4142135623730951j),
      (1.4142135623730951-1.4142135623730951j), (-1.4142135623730951+1.4142135623730951j),
      (1.4142135623730951-1.4142135623730951j), (1.4142135623730951-1.4142135623730951j),
      (1.4142135623730951+1.4142135623730951j), (-1.4142135623730951+1.4142135623730951j)]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [48, 440.0]
    rotation: 0
    state: enabled
- name: rrc_taps
  id: variable
  parameters:
    comment: ''
    value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [304, 856.0]
    rotation: 0
    state: enabled
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: int(1.5e6)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 116.0]
    rotation: 0
    state: enabled
- name: sps
  id: variable
  parameters:
    comment: ''
    value: '4'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [104, 116.0]
    rotation: 0
    state: enabled
- name: testvec
  id: variable
  parameters:
    comment: ''
    value: '[0x1f, 0x35] + [0x12, 0xe3, 0x9b, 0xee, 0x84, 0x23, 0x41, 0xf3] '
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [48, 360.0]
    rotation: 0
    state: enabled
- name: timing_loop_bw
  id: variable
  parameters:
    comment: ''
    value: 2 * np.pi / 100
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [224, 936.0]
    rotation: 0
    state: enabled
- name: blocks_complex_to_magphase_0
  id: blocks_complex_to_magphase
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1040, 568.0]
    rotation: 0
    state: disabled
- name: blocks_complex_to_magphase_0_0
  id: blocks_complex_to_magphase
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1080, 1176.0]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: 180 / 3.141592653589793
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1288, 596.0]
    rotation: 0
    state: disabled
- name: blocks_multiply_const_vxx_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: 180 / 3.141592653589793
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1376, 1248.0]
    rotation: 0
    state: disabled
- name: blocks_null_sink_3
  id: blocks_null_sink
  parameters:
    affinity: ''
    alias: ''
    bus_structure_sink: '[[0,],]'
    comment: ''
    num_inputs: '1'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1376, 1304.0]
    rotation: 0
    state: true
- name: blocks_null_source_0
  id: blocks_null_source
  parameters:
    affinity: ''
    alias: ''
    bus_structure_source: '[[0,],]'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_outputs: '1'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [96, 200.0]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'False'
    comment: ''
    endianness: gr.GR_MSB_FIRST
    k: '2'
    l: '8'
    len_tag_key: '""'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [672, 1252.0]
    rotation: 0
    state: true
- name: blocks_stream_mux_0
  id: blocks_stream_mux
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    lengths: '[5, len(testvec)]'
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [288, 256.0]
    rotation: 0
    state: enabled
- name: blocks_throttle_0
  id: blocks_throttle
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: samp_rate
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1272, 268.0]
    rotation: 0
    state: enabled
- name: blocks_vector_source_x_0
  id: blocks_vector_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    repeat: 'True'
    tags: '[]'
    type: byte
    vector: testvec * 500
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [48, 268.0]
    rotation: 0
    state: enabled
- name: channels_channel_model_0
  id: channels_channel_model
  parameters:
    affinity: ''
    alias: ''
    block_tags: 'False'
    comment: ''
    epsilon: '1.0'
    freq_offset: '0.0001'
    maxoutbuf: '0'
    minoutbuf: '0'
    noise_voltage: '0.01'
    seed: '243'
    taps: np.exp(1j * 30 / 180 * np.pi)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1000, 228.0]
    rotation: 0
    state: enabled
- name: digital_cma_equalizer_cc_0
  id: digital_cma_equalizer_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    modulus: '1'
    mu: '.002'
    num_taps: '15'
    sps: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [520, 676.0]
    rotation: 0
    state: enabled
- name: digital_constellation_decoder_cb_0
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: const
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [224, 1260.0]
    rotation: 0
    state: enabled
- name: digital_constellation_modulator_0
  id: digital_constellation_modulator
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: const
    differential: 'False'
    excess_bw: excess_bw
    log: 'False'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_symbol: sps
    verbose: 'False'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [504, 244.0]
    rotation: 0
    state: enabled
- name: digital_corr_est_cc_0
  id: digital_corr_est_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    mark_delay: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    sps: '1'
    symbols: access_code_symbols
    threshold: '.8'
    threshold_method: digital.THRESHOLD_DYNAMIC
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [768, 892.0]
    rotation: 0
    state: enabled
- name: digital_costas_loop_cc_0
  id: digital_costas_loop_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    order: '4'
    use_snr: 'False'
    w: 2 * 3.141592653589793 / 100
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1080, 1000.0]
    rotation: 0
    state: true
- name: digital_map_bb_0
  id: digital_map_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    map: '[0, 1, 3, 2]'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [496, 1260.0]
    rotation: 0
    state: bypassed
- name: digital_pfb_clock_sync_xxx_0
  id: digital_pfb_clock_sync_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    filter_size: nfilts
    init_phase: '16'
    loop_bw: timing_loop_bw
    max_dev: '1.5'
    maxoutbuf: '0'
    minoutbuf: '0'
    osps: '1'
    sps: sps
    taps: rrc_taps
    type: ccf
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [224, 700.0]
    rotation: 0
    state: enabled
- name: epy_block_0
  id: epy_block
  parameters:
    _source_code: "import pmt\n\nimport numpy as np\nfrom gnuradio import gr\n\n\n\
      class blk(gr.sync_block):\n    def __init__(self):\n        gr.sync_block.__init__(\n\
      \            self,\n            name='Phase and Frequency Correction',\n   \
      \         in_sig=[np.complex64],\n            out_sig=[np.complex64]\n     \
      \   )\n\n        # tags should not be propagated, we then output our own tags\n\
      \        self.set_tag_propagation_policy(gr.TPP_DONT)\n\n        # because we\
      \ do block processing, we need to keep track of the last tag\n        # of the\
      \ previous block to correct the first values of the next block\n        self.last\
      \ = None\n        self.lastfreq = 0\n\n    def block_phase(self, start, end):\n\
      \        \"\"\"\n        Compute a vector for the phase and frequency correction\
      \ for the samples\n        between two tags (start and end).\n\n        @param\
      \ start Tag where the samples should start to be corrected\n        @param end\
      \   Tag where to stop correcting\n\n        @return A vector of phase values\
      \ for each sample. If we call the ouput\n                `phase' to correct\
      \ the samples between the start and end tags,\n                TODO: finish\n\
      \        \"\"\"\n        # compute number of samples in block\n        nsamples\
      \ = end.offset - start.offset\n\n        # unpack pmt values into start and\
      \ end phase\n        sphase = pmt.to_python(start.value)\n        ephase = pmt.to_python(end.value)\n\
      \n        # compute frequency offset between start and end\n        phasediff\
      \ = ephase - sphase\n\n        if phasediff > np.pi:\n            phasediff\
      \ -= 2*np.pi\n\n        elif phasediff < -np.pi:\n            phasediff += 2*np.pi\n\
      \n        freq = phasediff / nsamples\n\n        # save this one for the last\
      \ block (see variable `end' in self.work)\n        self.lastfreq = freq\n\n\
      \        # debugging\n        print(f\"Correction for block of {nsamples:2d}\
      \ samples is \" \\\n              f\"sphase={sphase: .4f} rad and freq={freq*1e3:\
      \ .4f} milli rad / sample\")\n\n        # compute block values\n        return\
      \ sphase * np.ones(nsamples) + freq * np.arange(0, nsamples)\n\n    def work(self,\
      \ input_items, output_items):\n        counter = self.nitems_written(0)\n\n\
      \        # nicer aliases\n        inp = input_items[0]\n        out = output_items[0]\n\
      \n        # read phase tags\n        is_phase = lambda tag: pmt.to_python(tag.key)\
      \ == \"phase_est\"\n        tags = list(filter(is_phase, self.get_tags_in_window(0,\
      \ 0, len(inp))))\n\n        if not tags:\n            print(f\"There were no\
      \ tags in {len(inp)} samples!\")\n            out[:] = inp\n            return\
      \ len(out)\n\n        # debugging\n        print(f\"Processing {len(tags)} tags\
      \ = {tags[-1].offset - tags[0].offset} \" \\\n              f\"samples out of\
      \ {len(inp)} input samples\")\n\n        # compute \"the middle\"\n        enough_samples\
      \ = lambda pair: ((pair[1].offset - pair[0].offset) > 0)\n        pairs = list(filter(enough_samples,\
      \ zip(tags, tags[1:])))\n        blocks = [ self.block_phase(start, end) for\
      \ (start, end) in pairs ]\n        middle = np.concatenate(blocks) if blocks\
      \ else []\n\n        # compute values at the end, we do not have informations\
      \ about the future\n        # but we can use the frequency of the last block\
      \ to approximate\n        nback = len(inp) - (tags[-1].offset - counter)\n \
      \       print(f\"Processing {nback} samples at the back of the buffer\")\n \
      \       end = np.ones(nback) * pmt.to_python(tags[-1].value) \\\n          \
      \      + self.lastfreq * np.arange(0, nback)\n\n        # compute the \"start\"\
      , using the last tag from the previous call\n        nfront = tags[0].offset\
      \ - counter\n        print(f\"Processing {nfront} samples at the front of the\
      \ buffer\")\n        start = self.block_phase(self.last, tags[0])[-nfront:]\
      \ \\\n                if self.last and nfront else np.zeros(nfront)\n\n    \
      \    # compute correction\n        correction = np.exp(-1j * np.concatenate([start,\
      \ middle, end]))\n        length = len(correction)\n\n        # write outputs\n\
      \        out[:length] = inp[:length] * correction\n\n        # save last tag\
      \ for next call\n        self.last = tags[-1]\n\n        # FIXME: should return\
      \ `length' but then the last sample is not\n        #        included and self.last\
      \ does something weird\n        return len(out)\n"
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    _io_cache: ('Phase and Frequency Correction', 'blk', [], [('0', 'complex', 1)],
      [('0', 'complex', 1)], '', [])
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1072, 912.0]
    rotation: 0
    state: enabled
- name: epy_block_1
  id: epy_block
  parameters:
    _source_code: "\"\"\"\nEmbedded Python Blocks:\n\nEach time this file is saved,\
      \ GRC will instantiate the first class it finds\nto get ports and parameters\
      \ of your block. The arguments to __init__  will\nbe the parameters. All of\
      \ them are required to have default values!\n\"\"\"\n\nimport numpy as np\n\
      from gnuradio import gr\n\nnp.set_printoptions(formatter={'int':hex})\n\nclass\
      \ blk(gr.sync_block):\n    def __init__(self):\n        gr.sync_block.__init__(\n\
      \            self,\n            name='Printer',\n            in_sig=[np.byte],\n\
      \            out_sig=[]\n        )\n\n    def work(self, input_items, output_items):\n\
      \        inp = np.array(input_items[0], dtype=np.uint8)\n        print(f\"Decoded\
      \ {len(inp)} samples:\\n{inp}\")\n\n        return len(inp)\n"
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    _io_cache: ('Printer', 'blk', [], [('0', 'byte', 1)], [], '', [])
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [920, 1264.0]
    rotation: 0
    state: true
- name: fir_filter_xxx_1
  id: fir_filter_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    samp_delay: '0'
    taps: revconj_access_code_symbols
    type: ccc
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [776, 692.0]
    rotation: 0
    state: disabled
- name: import_0
  id: import
  parameters:
    alias: ''
    comment: ''
    imports: import numpy as np
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 12.0]
    rotation: 0
    state: true
- name: qtgui_const_sink_x_0
  id: qtgui_const_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'False'
    axislabels: 'True'
    color1: '"blue"'
    color10: '"red"'
    color2: '"red"'
    color3: '"red"'
    color4: '"red"'
    color5: '"red"'
    color6: '"red"'
    color7: '"red"'
    color8: '"red"'
    color9: '"red"'
    comment: ''
    grid: 'False'
    gui_hint: 0,1,2,1
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '0'
    marker10: '0'
    marker2: '0'
    marker3: '0'
    marker4: '0'
    marker5: '0'
    marker6: '0'
    marker7: '0'
    marker8: '0'
    marker9: '0'
    name: '"Equalized Signal"'
    nconnections: '1'
    size: '1024'
    style1: '0'
    style10: '0'
    style2: '0'
    style3: '0'
    style4: '0'
    style5: '0'
    style6: '0'
    style7: '0'
    style8: '0'
    style9: '0'
    tr_chan: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    xmax: '2'
    xmin: '-2'
    ymax: '2'
    ymin: '-2'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [768, 592.0]
    rotation: 0
    state: enabled
- name: qtgui_const_sink_x_0_0
  id: qtgui_const_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'False'
    axislabels: 'True'
    color1: '"blue"'
    color10: '"red"'
    color2: '"red"'
    color3: '"red"'
    color4: '"red"'
    color5: '"red"'
    color6: '"red"'
    color7: '"red"'
    color8: '"red"'
    color9: '"red"'
    comment: ''
    grid: 'False'
    gui_hint: 2,1,2,1
    label1: Custom Block
    label10: ''
    label2: Costas Loop
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '0'
    marker10: '0'
    marker2: '0'
    marker3: '0'
    marker4: '0'
    marker5: '0'
    marker6: '0'
    marker7: '0'
    marker8: '0'
    marker9: '0'
    name: '"Phase Locked Signal"'
    nconnections: '2'
    size: '1024'
    style1: '0'
    style10: '0'
    style2: '0'
    style3: '0'
    style4: '0'
    style5: '0'
    style6: '0'
    style7: '0'
    style8: '0'
    style9: '0'
    tr_chan: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    xmax: '2'
    xmin: '-2'
    ymax: '2'
    ymin: '-2'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1408, 964.0]
    rotation: 0
    state: enabled
- name: qtgui_const_sink_x_1
  id: qtgui_const_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '.5'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: '"blue"'
    color10: '"red"'
    color2: '"red"'
    color3: '"red"'
    color4: '"red"'
    color5: '"red"'
    color6: '"red"'
    color7: '"red"'
    color8: '"red"'
    color9: '"red"'
    comment: ''
    grid: 'True'
    gui_hint: 2,1,2,1
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '9'
    marker10: '0'
    marker2: '0'
    marker3: '0'
    marker4: '0'
    marker5: '0'
    marker6: '0'
    marker7: '0'
    marker8: '0'
    marker9: '0'
    name: '"Cross Correlation"'
    nconnections: '1'
    size: '1024'
    style1: '2'
    style10: '0'
    style2: '0'
    style3: '0'
    style4: '0'
    style5: '0'
    style6: '0'
    style7: '0'
    style8: '0'
    style9: '0'
    tr_chan: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    xmax: '2'
    xmin: '-2'
    ymax: '2'
    ymin: '-2'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1040, 480.0]
    rotation: 0
    state: disabled
- name: qtgui_time_sink_x_0
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: 2,0,1,1
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: XC Magnitude
    ymax: '20'
    ymin: '0'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1312, 480.0]
    rotation: 0
    state: disabled
- name: qtgui_time_sink_x_0_0
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: ''
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate / sps
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: XC Magnitude
    ymax: '20'
    ymin: '0'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1376, 1156.0]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_0_0_0
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: ''
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate / sps
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: Equalized
    ymax: '2'
    ymin: '-2'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1072, 788.0]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_1_0
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: 0,0,1,1
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: Modulated
    ymax: '2'
    ymin: '-2'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [800, 320.0]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_1_1
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'True'
    gui_hint: 1,0,1,1
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: Equalized
    ymax: '2'
    ymin: '-2'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [768, 480.0]
    rotation: 0
    state: disabled
- name: qtgui_time_sink_x_2
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: 3,0,1,1
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: XC Phase
    ymax: '1'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1488, 580.0]
    rotation: 0
    state: disabled
- name: qtgui_time_sink_x_2_0
  id: qtgui_time_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: ''
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: '""'
    nconnections: '1'
    size: '1024'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: XC Phase
    ymax: '1'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1552, 1232.0]
    rotation: 0
    state: disabled
- name: virtual_sink_0
  id: virtual_sink
  parameters:
    alias: ''
    comment: ''
    stream_id: envelope
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1488, 268.0]
    rotation: 0
    state: enabled
- name: virtual_sink_3
  id: virtual_sink
  parameters:
    alias: ''
    comment: ''
    stream_id: locked
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1400, 828.0]
    rotation: 0
    state: true
- name: virtual_source_0
  id: virtual_source
  parameters:
    alias: ''
    comment: ''
    stream_id: envelope
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 748.0]
    rotation: 0
    state: enabled
- name: virtual_source_1
  id: virtual_source
  parameters:
    alias: ''
    comment: ''
    stream_id: locked
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 1260.0]
    rotation: 0
    state: true

connections:
- [blocks_complex_to_magphase_0, '0', qtgui_time_sink_x_0, '0']
- [blocks_complex_to_magphase_0, '1', blocks_multiply_const_vxx_0, '0']
- [blocks_complex_to_magphase_0_0, '0', qtgui_time_sink_x_0_0, '0']
- [blocks_complex_to_magphase_0_0, '1', blocks_multiply_const_vxx_0_0, '0']
- [blocks_complex_to_magphase_0_0, '1', blocks_null_sink_3, '0']
- [blocks_multiply_const_vxx_0, '0', qtgui_time_sink_x_2, '0']
- [blocks_multiply_const_vxx_0_0, '0', qtgui_time_sink_x_2_0, '0']
- [blocks_null_source_0, '0', blocks_stream_mux_0, '0']
- [blocks_repack_bits_bb_0, '0', epy_block_1, '0']
- [blocks_stream_mux_0, '0', digital_constellation_modulator_0, '0']
- [blocks_throttle_0, '0', virtual_sink_0, '0']
- [blocks_vector_source_x_0, '0', blocks_stream_mux_0, '1']
- [channels_channel_model_0, '0', blocks_throttle_0, '0']
- [digital_cma_equalizer_cc_0, '0', digital_corr_est_cc_0, '0']
- [digital_cma_equalizer_cc_0, '0', fir_filter_xxx_1, '0']
- [digital_cma_equalizer_cc_0, '0', qtgui_const_sink_x_0, '0']
- [digital_cma_equalizer_cc_0, '0', qtgui_time_sink_x_1_1, '0']
- [digital_constellation_decoder_cb_0, '0', digital_map_bb_0, '0']
- [digital_constellation_modulator_0, '0', channels_channel_model_0, '0']
- [digital_constellation_modulator_0, '0', qtgui_time_sink_x_1_0, '0']
- [digital_corr_est_cc_0, '0', digital_costas_loop_cc_0, '0']
- [digital_corr_est_cc_0, '0', epy_block_0, '0']
- [digital_corr_est_cc_0, '0', qtgui_time_sink_x_0_0_0, '0']
- [digital_corr_est_cc_0, '1', blocks_complex_to_magphase_0_0, '0']
- [digital_costas_loop_cc_0, '0', qtgui_const_sink_x_0_0, '1']
- [digital_map_bb_0, '0', blocks_repack_bits_bb_0, '0']
- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
- [epy_block_0, '0', qtgui_const_sink_x_0_0, '0']
- [epy_block_0, '0', virtual_sink_3, '0']
- [fir_filter_xxx_1, '0', blocks_complex_to_magphase_0, '0']
- [fir_filter_xxx_1, '0', qtgui_const_sink_x_1, '0']
- [virtual_source_0, '0', digital_pfb_clock_sync_xxx_0, '0']
- [virtual_source_1, '0', digital_constellation_decoder_cb_0, '0']

metadata:
  file_format: 1