options:
  parameters:
    author: ''
    category: Custom
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: dvbt_rx_demo_8k
    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: ''
    window_size: 1280, 1024
  states:
    coordinate: [8, 11]
    rotation: 0
    state: enabled

blocks:
- name: center_freq
  id: variable
  parameters:
    comment: ''
    value: 429e6
  states:
    coordinate: [176, 12]
    rotation: 0
    state: enabled
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: (8000000.0 * 8) / 7
  states:
    coordinate: [8, 75]
    rotation: 0
    state: enabled
- name: blocks_file_sink_0
  id: blocks_file_sink
  parameters:
    affinity: ''
    alias: ''
    append: 'False'
    comment: ''
    file: advdvbt.ts
    type: byte
    unbuffered: 'False'
    vlen: '1'
  states:
    coordinate: [1080, 484]
    rotation: 0
    state: enabled
- name: blocks_file_source_0_0
  id: blocks_file_source
  parameters:
    affinity: ''
    alias: ''
    begin_tag: pmt.PMT_NIL
    comment: ''
    file: adv16.cfile
    length: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    repeat: 'False'
    type: complex
    vlen: '1'
  states:
    coordinate: [128, 76.0]
    rotation: 180
    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:
    coordinate: [128, 188.0]
    rotation: 0
    state: enabled
- name: blocks_vector_to_stream_0
  id: blocks_vector_to_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: '8192'
    type: complex
    vlen: '1'
  states:
    coordinate: [904, 200.0]
    rotation: 180
    state: disabled
- name: blocks_vector_to_stream_0_0
  id: blocks_vector_to_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: '6048'
    type: complex
    vlen: '1'
  states:
    coordinate: [1024, 280.0]
    rotation: 180
    state: enabled
- name: blocks_vector_to_stream_1
  id: blocks_vector_to_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: '6048'
    type: byte
    vlen: '1'
  states:
    coordinate: [80, 384.0]
    rotation: 180
    state: enabled
- name: dtv_dvbt_bit_inner_deinterleaver_0
  id: dtv_dvbt_bit_inner_deinterleaver
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: 16qam
    hierarchy: nh
    maxoutbuf: '0'
    minoutbuf: '0'
    transmission_mode: T8k
  states:
    coordinate: [344, 372.0]
    rotation: 180
    state: enabled
- name: dtv_dvbt_convolutional_deinterleaver_0
  id: dtv_dvbt_convolutional_deinterleaver
  parameters:
    I: '12'
    M: '17'
    affinity: ''
    alias: ''
    blocks: '136'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [360, 484.0]
    rotation: 0
    state: enabled
- name: dtv_dvbt_demap_0
  id: dtv_dvbt_demap
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: 16qam
    gain: '1'
    hierarchy: nh
    maxoutbuf: '0'
    minoutbuf: '0'
    transmission_mode: T8k
  states:
    coordinate: [1024, 356.0]
    rotation: 180
    state: enabled
- name: dtv_dvbt_demod_reference_signals_0
  id: dtv_dvbt_demod_reference_signals
  parameters:
    affinity: ''
    alias: ''
    cell_id: '0'
    code_rate_hp: C2_3
    code_rate_lp: C2_3
    comment: ''
    constellation: 16qam
    guard_interval: GI_1_32
    hierarchy: nh
    include_cell_id: call_id_yes
    maxoutbuf: '0'
    minoutbuf: '0'
    transmission_mode: T8k
    type: complex
  states:
    coordinate: [1024, 12.0]
    rotation: 0
    state: enabled
- name: dtv_dvbt_energy_descramble_0
  id: dtv_dvbt_energy_descramble
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    nsize: '8'
  states:
    coordinate: [872, 500]
    rotation: 0
    state: enabled
- name: dtv_dvbt_ofdm_sym_acquisition_0
  id: dtv_dvbt_ofdm_sym_acquisition
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_length: '256'
    fft_length: '8192'
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_tones: '6817'
    snr: '30'
    type: complex
  states:
    coordinate: [392, 52.0]
    rotation: 0
    state: enabled
- name: dtv_dvbt_reed_solomon_dec_0
  id: dtv_dvbt_reed_solomon_dec
  parameters:
    affinity: ''
    alias: ''
    blocks: '8'
    comment: ''
    gfpoly: '0x11d'
    k: '239'
    m: '8'
    maxoutbuf: '0'
    minoutbuf: '0'
    n: '255'
    p: '2'
    s: '51'
    t: '8'
  states:
    coordinate: [648, 444.0]
    rotation: 0
    state: enabled
- name: dtv_dvbt_symbol_inner_interleaver_0
  id: dtv_dvbt_symbol_inner_interleaver
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    direction: Deinterleave
    maxoutbuf: '0'
    minoutbuf: '0'
    transmission_mode: T8k
  states:
    coordinate: [680, 372.0]
    rotation: 180
    state: enabled
- name: dtv_dvbt_viterbi_decoder_0
  id: dtv_dvbt_viterbi_decoder
  parameters:
    affinity: ''
    alias: ''
    block_size: '768'
    code_rate: C2_3
    comment: ''
    constellation: 16qam
    hierarchy: nh
    maxoutbuf: '0'
    minoutbuf: '0'
    type: b
  states:
    coordinate: [80, 476.0]
    rotation: 0
    state: enabled
- name: fft_vxx_0
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: '8192'
    forward: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: window.rectangular(8192)
  states:
    coordinate: [688, 44.0]
    rotation: 0
    state: enabled
- 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: '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: 'False'
    gui_hint: ''
    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: '""'
    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: '1.5'
    xmin: '-1.5'
    ymax: '1.5'
    ymin: '-1.5'
  states:
    coordinate: [672, 188.0]
    rotation: 180
    state: disabled
- 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: '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: 'False'
    gui_hint: ''
    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: '""'
    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: '1.5'
    xmin: '-1.5'
    ymax: '1.5'
    ymin: '-1.5'
  states:
    coordinate: [672, 268.0]
    rotation: 180
    state: enabled
- name: qtgui_freq_sink_x_0
  id: qtgui_freq_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'
    average: '0.2'
    axislabels: 'True'
    bw: samp_rate
    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'
    fc: center_freq
    fftsize: '1024'
    freqhalf: 'True'
    grid: 'True'
    gui_hint: ''
    label: Relative Gain
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    name: '""'
    nconnections: '1'
    showports: 'True'
    tr_chan: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_tag: '""'
    type: complex
    units: dB
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    wintype: window.WIN_BLACKMAN_hARRIS
    ymax: '-10'
    ymin: '-170'
  states:
    coordinate: [392, 212.0]
    rotation: 0
    state: enabled
- name: uhd_usrp_source_0
  id: uhd_usrp_source
  parameters:
    affinity: ''
    alias: ''
    ant0: TX/RX
    ant1: ''
    ant10: ''
    ant11: ''
    ant12: ''
    ant13: ''
    ant14: ''
    ant15: ''
    ant16: ''
    ant17: ''
    ant18: ''
    ant19: ''
    ant2: ''
    ant20: ''
    ant21: ''
    ant22: ''
    ant23: ''
    ant24: ''
    ant25: ''
    ant26: ''
    ant27: ''
    ant28: ''
    ant29: ''
    ant3: ''
    ant30: ''
    ant31: ''
    ant4: ''
    ant5: ''
    ant6: ''
    ant7: ''
    ant8: ''
    ant9: ''
    bw0: '0'
    bw1: '0'
    bw10: '0'
    bw11: '0'
    bw12: '0'
    bw13: '0'
    bw14: '0'
    bw15: '0'
    bw16: '0'
    bw17: '0'
    bw18: '0'
    bw19: '0'
    bw2: '0'
    bw20: '0'
    bw21: '0'
    bw22: '0'
    bw23: '0'
    bw24: '0'
    bw25: '0'
    bw26: '0'
    bw27: '0'
    bw28: '0'
    bw29: '0'
    bw3: '0'
    bw30: '0'
    bw31: '0'
    bw4: '0'
    bw5: '0'
    bw6: '0'
    bw7: '0'
    bw8: '0'
    bw9: '0'
    center_freq0: center_freq
    center_freq1: '0'
    center_freq10: '0'
    center_freq11: '0'
    center_freq12: '0'
    center_freq13: '0'
    center_freq14: '0'
    center_freq15: '0'
    center_freq16: '0'
    center_freq17: '0'
    center_freq18: '0'
    center_freq19: '0'
    center_freq2: '0'
    center_freq20: '0'
    center_freq21: '0'
    center_freq22: '0'
    center_freq23: '0'
    center_freq24: '0'
    center_freq25: '0'
    center_freq26: '0'
    center_freq27: '0'
    center_freq28: '0'
    center_freq29: '0'
    center_freq3: '0'
    center_freq30: '0'
    center_freq31: '0'
    center_freq4: '0'
    center_freq5: '0'
    center_freq6: '0'
    center_freq7: '0'
    center_freq8: '0'
    center_freq9: '0'
    clock_rate: '0.0'
    clock_source0: ''
    clock_source1: ''
    clock_source2: ''
    clock_source3: ''
    clock_source4: ''
    clock_source5: ''
    clock_source6: ''
    clock_source7: ''
    comment: ''
    dc_offs_enb0: '""'
    dc_offs_enb1: '""'
    dc_offs_enb10: '""'
    dc_offs_enb11: '""'
    dc_offs_enb12: '""'
    dc_offs_enb13: '""'
    dc_offs_enb14: '""'
    dc_offs_enb15: '""'
    dc_offs_enb16: '""'
    dc_offs_enb17: '""'
    dc_offs_enb18: '""'
    dc_offs_enb19: '""'
    dc_offs_enb2: '""'
    dc_offs_enb20: '""'
    dc_offs_enb21: '""'
    dc_offs_enb22: '""'
    dc_offs_enb23: '""'
    dc_offs_enb24: '""'
    dc_offs_enb25: '""'
    dc_offs_enb26: '""'
    dc_offs_enb27: '""'
    dc_offs_enb28: '""'
    dc_offs_enb29: '""'
    dc_offs_enb3: '""'
    dc_offs_enb30: '""'
    dc_offs_enb31: '""'
    dc_offs_enb4: '""'
    dc_offs_enb5: '""'
    dc_offs_enb6: '""'
    dc_offs_enb7: '""'
    dc_offs_enb8: '""'
    dc_offs_enb9: '""'
    dev_addr: '"num_recv_frames=128,master_clock_rate=" + str(samp_rate*4)'
    dev_args: '""'
    gain0: '30'
    gain1: '0'
    gain10: '0'
    gain11: '0'
    gain12: '0'
    gain13: '0'
    gain14: '0'
    gain15: '0'
    gain16: '0'
    gain17: '0'
    gain18: '0'
    gain19: '0'
    gain2: '0'
    gain20: '0'
    gain21: '0'
    gain22: '0'
    gain23: '0'
    gain24: '0'
    gain25: '0'
    gain26: '0'
    gain27: '0'
    gain28: '0'
    gain29: '0'
    gain3: '0'
    gain30: '0'
    gain31: '0'
    gain4: '0'
    gain5: '0'
    gain6: '0'
    gain7: '0'
    gain8: '0'
    gain9: '0'
    iq_imbal_enb0: '""'
    iq_imbal_enb1: '""'
    iq_imbal_enb10: '""'
    iq_imbal_enb11: '""'
    iq_imbal_enb12: '""'
    iq_imbal_enb13: '""'
    iq_imbal_enb14: '""'
    iq_imbal_enb15: '""'
    iq_imbal_enb16: '""'
    iq_imbal_enb17: '""'
    iq_imbal_enb18: '""'
    iq_imbal_enb19: '""'
    iq_imbal_enb2: '""'
    iq_imbal_enb20: '""'
    iq_imbal_enb21: '""'
    iq_imbal_enb22: '""'
    iq_imbal_enb23: '""'
    iq_imbal_enb24: '""'
    iq_imbal_enb25: '""'
    iq_imbal_enb26: '""'
    iq_imbal_enb27: '""'
    iq_imbal_enb28: '""'
    iq_imbal_enb29: '""'
    iq_imbal_enb3: '""'
    iq_imbal_enb30: '""'
    iq_imbal_enb31: '""'
    iq_imbal_enb4: '""'
    iq_imbal_enb5: '""'
    iq_imbal_enb6: '""'
    iq_imbal_enb7: '""'
    iq_imbal_enb8: '""'
    iq_imbal_enb9: '""'
    lo_export0: 'False'
    lo_export1: 'False'
    lo_export10: 'False'
    lo_export11: 'False'
    lo_export12: 'False'
    lo_export13: 'False'
    lo_export14: 'False'
    lo_export15: 'False'
    lo_export16: 'False'
    lo_export17: 'False'
    lo_export18: 'False'
    lo_export19: 'False'
    lo_export2: 'False'
    lo_export20: 'False'
    lo_export21: 'False'
    lo_export22: 'False'
    lo_export23: 'False'
    lo_export24: 'False'
    lo_export25: 'False'
    lo_export26: 'False'
    lo_export27: 'False'
    lo_export28: 'False'
    lo_export29: 'False'
    lo_export3: 'False'
    lo_export30: 'False'
    lo_export31: 'False'
    lo_export4: 'False'
    lo_export5: 'False'
    lo_export6: 'False'
    lo_export7: 'False'
    lo_export8: 'False'
    lo_export9: 'False'
    lo_source0: internal
    lo_source1: internal
    lo_source10: internal
    lo_source11: internal
    lo_source12: internal
    lo_source13: internal
    lo_source14: internal
    lo_source15: internal
    lo_source16: internal
    lo_source17: internal
    lo_source18: internal
    lo_source19: internal
    lo_source2: internal
    lo_source20: internal
    lo_source21: internal
    lo_source22: internal
    lo_source23: internal
    lo_source24: internal
    lo_source25: internal
    lo_source26: internal
    lo_source27: internal
    lo_source28: internal
    lo_source29: internal
    lo_source3: internal
    lo_source30: internal
    lo_source31: internal
    lo_source4: internal
    lo_source5: internal
    lo_source6: internal
    lo_source7: internal
    lo_source8: internal
    lo_source9: internal
    maxoutbuf: '0'
    minoutbuf: '0'
    nchan: '1'
    norm_gain0: 'False'
    norm_gain1: 'False'
    norm_gain10: 'False'
    norm_gain11: 'False'
    norm_gain12: 'False'
    norm_gain13: 'False'
    norm_gain14: 'False'
    norm_gain15: 'False'
    norm_gain16: 'False'
    norm_gain17: 'False'
    norm_gain18: 'False'
    norm_gain19: 'False'
    norm_gain2: 'False'
    norm_gain20: 'False'
    norm_gain21: 'False'
    norm_gain22: 'False'
    norm_gain23: 'False'
    norm_gain24: 'False'
    norm_gain25: 'False'
    norm_gain26: 'False'
    norm_gain27: 'False'
    norm_gain28: 'False'
    norm_gain29: 'False'
    norm_gain3: 'False'
    norm_gain30: 'False'
    norm_gain31: 'False'
    norm_gain4: 'False'
    norm_gain5: 'False'
    norm_gain6: 'False'
    norm_gain7: 'False'
    norm_gain8: 'False'
    norm_gain9: 'False'
    num_mboards: '1'
    otw: ''
    samp_rate: samp_rate
    sd_spec0: ''
    sd_spec1: ''
    sd_spec2: ''
    sd_spec3: ''
    sd_spec4: ''
    sd_spec5: ''
    sd_spec6: ''
    sd_spec7: ''
    show_lo_controls: 'False'
    stream_args: ''
    stream_chans: '[]'
    sync: none
    time_source0: ''
    time_source1: ''
    time_source2: ''
    time_source3: ''
    time_source4: ''
    time_source5: ''
    time_source6: ''
    time_source7: ''
    type: fc32
  states:
    coordinate: [32, 236.0]
    rotation: 0
    state: disabled

connections:
- [blocks_file_source_0_0, '0', blocks_throttle_0, '0']
- [blocks_throttle_0, '0', dtv_dvbt_ofdm_sym_acquisition_0, '0']
- [blocks_throttle_0, '0', qtgui_freq_sink_x_0, '0']
- [blocks_vector_to_stream_0, '0', qtgui_const_sink_x_0, '0']
- [blocks_vector_to_stream_0_0, '0', qtgui_const_sink_x_0_0, '0']
- [blocks_vector_to_stream_1, '0', dtv_dvbt_viterbi_decoder_0, '0']
- [dtv_dvbt_bit_inner_deinterleaver_0, '0', blocks_vector_to_stream_1, '0']
- [dtv_dvbt_convolutional_deinterleaver_0, '0', dtv_dvbt_reed_solomon_dec_0, '0']
- [dtv_dvbt_demap_0, '0', dtv_dvbt_symbol_inner_interleaver_0, '0']
- [dtv_dvbt_demod_reference_signals_0, '0', blocks_vector_to_stream_0_0, '0']
- [dtv_dvbt_demod_reference_signals_0, '0', dtv_dvbt_demap_0, '0']
- [dtv_dvbt_energy_descramble_0, '0', blocks_file_sink_0, '0']
- [dtv_dvbt_ofdm_sym_acquisition_0, '0', fft_vxx_0, '0']
- [dtv_dvbt_reed_solomon_dec_0, '0', dtv_dvbt_energy_descramble_0, '0']
- [dtv_dvbt_symbol_inner_interleaver_0, '0', dtv_dvbt_bit_inner_deinterleaver_0, '0']
- [dtv_dvbt_viterbi_decoder_0, '0', dtv_dvbt_convolutional_deinterleaver_0, '0']
- [fft_vxx_0, '0', blocks_vector_to_stream_0, '0']
- [fft_vxx_0, '0', dtv_dvbt_demod_reference_signals_0, '0']
- [uhd_usrp_source_0, '0', dtv_dvbt_ofdm_sym_acquisition_0, '0']
- [uhd_usrp_source_0, '0', qtgui_freq_sink_x_0, '0']

metadata:
  file_format: 1
