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

blocks:
- name: custom_window
  id: variable
  parameters:
    comment: ''
    value: sinc*np.hamming(4*nchan)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [536, 12]
    rotation: 0
    state: enabled
- name: sinc
  id: variable
  parameters:
    comment: ''
    value: np.sinc(sinc_sample_locations/np.pi)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [368, 12]
    rotation: 0
    state: enabled
- name: sinc_sample_locations
  id: variable
  parameters:
    comment: ''
    value: np.arange(-np.pi*4/2.0, np.pi*4/2.0, np.pi/nchan)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [200, 12]
    rotation: 0
    state: enabled
- name: RTL820T
  id: rtlsdr_source
  parameters:
    affinity: ''
    alias: ''
    ant0: ''
    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: ''
    args: ''
    bb_gain0: '10'
    bb_gain1: '20'
    bb_gain10: '20'
    bb_gain11: '20'
    bb_gain12: '20'
    bb_gain13: '20'
    bb_gain14: '20'
    bb_gain15: '20'
    bb_gain16: '20'
    bb_gain17: '20'
    bb_gain18: '20'
    bb_gain19: '20'
    bb_gain2: '20'
    bb_gain20: '20'
    bb_gain21: '20'
    bb_gain22: '20'
    bb_gain23: '20'
    bb_gain24: '20'
    bb_gain25: '20'
    bb_gain26: '20'
    bb_gain27: '20'
    bb_gain28: '20'
    bb_gain29: '20'
    bb_gain3: '20'
    bb_gain30: '20'
    bb_gain31: '20'
    bb_gain4: '20'
    bb_gain5: '20'
    bb_gain6: '20'
    bb_gain7: '20'
    bb_gain8: '20'
    bb_gain9: '20'
    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'
    clock_source0: ''
    clock_source1: ''
    clock_source2: ''
    clock_source3: ''
    clock_source4: ''
    clock_source5: ''
    clock_source6: ''
    clock_source7: ''
    comment: ''
    corr0: '0'
    corr1: '0'
    corr10: '0'
    corr11: '0'
    corr12: '0'
    corr13: '0'
    corr14: '0'
    corr15: '0'
    corr16: '0'
    corr17: '0'
    corr18: '0'
    corr19: '0'
    corr2: '0'
    corr20: '0'
    corr21: '0'
    corr22: '0'
    corr23: '0'
    corr24: '0'
    corr25: '0'
    corr26: '0'
    corr27: '0'
    corr28: '0'
    corr29: '0'
    corr3: '0'
    corr30: '0'
    corr31: '0'
    corr4: '0'
    corr5: '0'
    corr6: '0'
    corr7: '0'
    corr8: '0'
    corr9: '0'
    dc_offset_mode0: '0'
    dc_offset_mode1: '0'
    dc_offset_mode10: '0'
    dc_offset_mode11: '0'
    dc_offset_mode12: '0'
    dc_offset_mode13: '0'
    dc_offset_mode14: '0'
    dc_offset_mode15: '0'
    dc_offset_mode16: '0'
    dc_offset_mode17: '0'
    dc_offset_mode18: '0'
    dc_offset_mode19: '0'
    dc_offset_mode2: '0'
    dc_offset_mode20: '0'
    dc_offset_mode21: '0'
    dc_offset_mode22: '0'
    dc_offset_mode23: '0'
    dc_offset_mode24: '0'
    dc_offset_mode25: '0'
    dc_offset_mode26: '0'
    dc_offset_mode27: '0'
    dc_offset_mode28: '0'
    dc_offset_mode29: '0'
    dc_offset_mode3: '0'
    dc_offset_mode30: '0'
    dc_offset_mode31: '0'
    dc_offset_mode4: '0'
    dc_offset_mode5: '0'
    dc_offset_mode6: '0'
    dc_offset_mode7: '0'
    dc_offset_mode8: '0'
    dc_offset_mode9: '0'
    freq0: c_freq
    freq1: 100e6
    freq10: 100e6
    freq11: 100e6
    freq12: 100e6
    freq13: 100e6
    freq14: 100e6
    freq15: 100e6
    freq16: 100e6
    freq17: 100e6
    freq18: 100e6
    freq19: 100e6
    freq2: 100e6
    freq20: 100e6
    freq21: 100e6
    freq22: 100e6
    freq23: 100e6
    freq24: 100e6
    freq25: 100e6
    freq26: 100e6
    freq27: 100e6
    freq28: 100e6
    freq29: 100e6
    freq3: 100e6
    freq30: 100e6
    freq31: 100e6
    freq4: 100e6
    freq5: 100e6
    freq6: 100e6
    freq7: 100e6
    freq8: 100e6
    freq9: 100e6
    gain0: '10'
    gain1: '10'
    gain10: '10'
    gain11: '10'
    gain12: '10'
    gain13: '10'
    gain14: '10'
    gain15: '10'
    gain16: '10'
    gain17: '10'
    gain18: '10'
    gain19: '10'
    gain2: '10'
    gain20: '10'
    gain21: '10'
    gain22: '10'
    gain23: '10'
    gain24: '10'
    gain25: '10'
    gain26: '10'
    gain27: '10'
    gain28: '10'
    gain29: '10'
    gain3: '10'
    gain30: '10'
    gain31: '10'
    gain4: '10'
    gain5: '10'
    gain6: '10'
    gain7: '10'
    gain8: '10'
    gain9: '10'
    gain_mode0: 'False'
    gain_mode1: 'False'
    gain_mode10: 'False'
    gain_mode11: 'False'
    gain_mode12: 'False'
    gain_mode13: 'False'
    gain_mode14: 'False'
    gain_mode15: 'False'
    gain_mode16: 'False'
    gain_mode17: 'False'
    gain_mode18: 'False'
    gain_mode19: 'False'
    gain_mode2: 'False'
    gain_mode20: 'False'
    gain_mode21: 'False'
    gain_mode22: 'False'
    gain_mode23: 'False'
    gain_mode24: 'False'
    gain_mode25: 'False'
    gain_mode26: 'False'
    gain_mode27: 'False'
    gain_mode28: 'False'
    gain_mode29: 'False'
    gain_mode3: 'False'
    gain_mode30: 'False'
    gain_mode31: 'False'
    gain_mode4: 'False'
    gain_mode5: 'False'
    gain_mode6: 'False'
    gain_mode7: 'False'
    gain_mode8: 'False'
    gain_mode9: 'False'
    if_gain0: '10'
    if_gain1: '20'
    if_gain10: '20'
    if_gain11: '20'
    if_gain12: '20'
    if_gain13: '20'
    if_gain14: '20'
    if_gain15: '20'
    if_gain16: '20'
    if_gain17: '20'
    if_gain18: '20'
    if_gain19: '20'
    if_gain2: '20'
    if_gain20: '20'
    if_gain21: '20'
    if_gain22: '20'
    if_gain23: '20'
    if_gain24: '20'
    if_gain25: '20'
    if_gain26: '20'
    if_gain27: '20'
    if_gain28: '20'
    if_gain29: '20'
    if_gain3: '20'
    if_gain30: '20'
    if_gain31: '20'
    if_gain4: '20'
    if_gain5: '20'
    if_gain6: '20'
    if_gain7: '20'
    if_gain8: '20'
    if_gain9: '20'
    iq_balance_mode0: '0'
    iq_balance_mode1: '0'
    iq_balance_mode10: '0'
    iq_balance_mode11: '0'
    iq_balance_mode12: '0'
    iq_balance_mode13: '0'
    iq_balance_mode14: '0'
    iq_balance_mode15: '0'
    iq_balance_mode16: '0'
    iq_balance_mode17: '0'
    iq_balance_mode18: '0'
    iq_balance_mode19: '0'
    iq_balance_mode2: '0'
    iq_balance_mode20: '0'
    iq_balance_mode21: '0'
    iq_balance_mode22: '0'
    iq_balance_mode23: '0'
    iq_balance_mode24: '0'
    iq_balance_mode25: '0'
    iq_balance_mode26: '0'
    iq_balance_mode27: '0'
    iq_balance_mode28: '0'
    iq_balance_mode29: '0'
    iq_balance_mode3: '0'
    iq_balance_mode30: '0'
    iq_balance_mode31: '0'
    iq_balance_mode4: '0'
    iq_balance_mode5: '0'
    iq_balance_mode6: '0'
    iq_balance_mode7: '0'
    iq_balance_mode8: '0'
    iq_balance_mode9: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    nchan: '1'
    num_mboards: '1'
    sample_rate: samp_rate
    sync: sync
    time_source0: ''
    time_source1: ''
    time_source2: ''
    time_source3: ''
    time_source4: ''
    time_source5: ''
    time_source6: ''
    time_source7: ''
    type: fc32
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 348]
    rotation: 0
    state: enabled
- name: blocks_add_xx_0
  id: blocks_add_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '4'
    type: complex
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [992, 136]
    rotation: 0
    state: enabled
- name: blocks_complex_to_mag_squared_0
  id: blocks_complex_to_mag_squared
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [592, 444]
    rotation: 0
    state: enabled
- name: blocks_delay_0
  id: blocks_delay
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    delay: nchan*3
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [416, 276]
    rotation: 0
    state: enabled
- name: blocks_delay_0_0
  id: blocks_delay
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    delay: nchan*2
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [416, 212]
    rotation: 0
    state: enabled
- name: blocks_delay_0_1
  id: blocks_delay
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    delay: nchan
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [416, 148]
    rotation: 0
    state: enabled
- name: blocks_file_sink_0
  id: blocks_file_sink
  parameters:
    affinity: ''
    alias: ''
    append: 'True'
    comment: ''
    file: observation.dat
    type: float
    unbuffered: 'False'
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [960, 420]
    rotation: 0
    state: enabled
- name: blocks_head_0
  id: blocks_head
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: int(obs_time*samp_rate)
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [240, 84]
    rotation: 0
    state: enabled
- name: blocks_integrate_xx_0
  id: blocks_integrate_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: nbin
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [784, 436]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: custom_window[-nchan:]
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [720, 76]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: custom_window[2*nchan:3*nchan]
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [720, 140]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: custom_window[nchan:2*nchan]
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [720, 204]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0_0_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: custom_window[0:nchan]
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
    vlen: nchan
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [720, 268]
    rotation: 0
    state: enabled
- name: blocks_stream_to_vector_0
  id: blocks_stream_to_vector
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: nchan
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 84]
    rotation: 0
    state: enabled
- name: blocks_stream_to_vector_0_0
  id: blocks_stream_to_vector
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: nchan
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 212]
    rotation: 0
    state: enabled
- name: blocks_stream_to_vector_0_1
  id: blocks_stream_to_vector
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: nchan
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 148]
    rotation: 0
    state: enabled
- name: blocks_stream_to_vector_0_2
  id: blocks_stream_to_vector
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: nchan
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 276]
    rotation: 0
    state: enabled
- name: c_freq
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: eng_float
    value: '1420000000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 84]
    rotation: 0
    state: enabled
- name: fft_vxx_0
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: nchan
    forward: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: window.blackmanharris(nchan)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [352, 412]
    rotation: 0
    state: enabled
- name: import_0
  id: import
  parameters:
    alias: ''
    comment: ''
    imports: import numpy as np
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [712, 12]
    rotation: 0
    state: enabled
- name: nbin
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '1000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [104, 164]
    rotation: 0
    state: enabled
- name: nchan
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '1024'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 164]
    rotation: 0
    state: enabled
- name: obs_time
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: eng_float
    value: '60'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 244]
    rotation: 0
    state: enabled
- name: samp_rate
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: eng_float
    value: '2400000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [96, 84]
    rotation: 0
    state: enabled

connections:
- [RTL820T, '0', blocks_head_0, '0']
- [blocks_add_xx_0, '0', fft_vxx_0, '0']
- [blocks_complex_to_mag_squared_0, '0', blocks_integrate_xx_0, '0']
- [blocks_delay_0, '0', blocks_stream_to_vector_0_2, '0']
- [blocks_delay_0_0, '0', blocks_stream_to_vector_0_0, '0']
- [blocks_delay_0_1, '0', blocks_stream_to_vector_0_1, '0']
- [blocks_head_0, '0', blocks_delay_0, '0']
- [blocks_head_0, '0', blocks_delay_0_0, '0']
- [blocks_head_0, '0', blocks_delay_0_1, '0']
- [blocks_head_0, '0', blocks_stream_to_vector_0, '0']
- [blocks_integrate_xx_0, '0', blocks_file_sink_0, '0']
- [blocks_multiply_const_vxx_0, '0', blocks_add_xx_0, '0']
- [blocks_multiply_const_vxx_0_0, '0', blocks_add_xx_0, '1']
- [blocks_multiply_const_vxx_0_0_0, '0', blocks_add_xx_0, '2']
- [blocks_multiply_const_vxx_0_0_0_0, '0', blocks_add_xx_0, '3']
- [blocks_stream_to_vector_0, '0', blocks_multiply_const_vxx_0, '0']
- [blocks_stream_to_vector_0_0, '0', blocks_multiply_const_vxx_0_0_0, '0']
- [blocks_stream_to_vector_0_1, '0', blocks_multiply_const_vxx_0_0, '0']
- [blocks_stream_to_vector_0_2, '0', blocks_multiply_const_vxx_0_0_0_0, '0']
- [fft_vxx_0, '0', blocks_complex_to_mag_squared_0, '0']

metadata:
  file_format: 1
  grc_version: 3.10.5.0