options:
  parameters:
    author: Barry Duggan
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: USRP_FM_stereo
    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: Broadcast FM stereo
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 12.0]
    rotation: 0
    state: enabled

blocks:
- name: audio_decim
  id: variable
  parameters:
    comment: ''
    value: (int)(demod_rate/48000)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [448, 12.0]
    rotation: 0
    state: true
- name: center_freq
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: Frequency
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '88000000'
    step: '200000'
    stop: '108000000'
    value: '102100000'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [672, 12.0]
    rotation: 0
    state: true
- name: demod_rate
  id: variable
  parameters:
    comment: ''
    value: (int)(samp_rate/rf_decim)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 12.0]
    rotation: 0
    state: enabled
- name: rf_decim
  id: variable
  parameters:
    comment: ''
    value: '2'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [368, 12.0]
    rotation: 0
    state: true
- name: rf_gain
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: RF Gain
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0'
    step: '1'
    stop: '70'
    value: '50'
    widget: slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 12.0]
    rotation: 0
    state: true
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '768000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 12.0]
    rotation: 0
    state: enabled
- name: volume
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: Volume
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0'
    step: '0.05'
    stop: '1.0'
    value: '0.2'
    widget: slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [808, 12.0]
    rotation: 0
    state: enabled
- name: analog_wfm_rcv_pll_0
  id: analog_wfm_rcv_pll
  parameters:
    affinity: ''
    alias: ''
    audio_decimation: audio_decim
    comment: ''
    deemph_tau: 75e-6
    maxoutbuf: '0'
    minoutbuf: '0'
    quad_rate: (int)(samp_rate/rf_decim)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 180.0]
    rotation: 0
    state: true
- name: audio_sink_0
  id: audio_sink
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    device_name: ''
    num_inputs: '2'
    ok_to_block: 'True'
    samp_rate: '48000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1064, 184.0]
    rotation: 0
    state: true
- name: blocks_multiply_const_vxx_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: volume
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [816, 164.0]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: Volume
    const: volume
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [816, 228.0]
    rotation: 0
    state: enabled
- name: filter_fft_low_pass_filter_0
  id: filter_fft_low_pass_filter
  parameters:
    affinity: ''
    alias: ''
    beta: '6.76'
    comment: ''
    cutoff_freq: '90000'
    decim: rf_decim
    gain: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    samp_rate: samp_rate
    type: ccc
    width: '20000'
    win: window.WIN_HAMMING
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [312, 140.0]
    rotation: 0
    state: true
- name: qtgui_sink_x_0
  id: qtgui_sink_x
  parameters:
    affinity: ''
    alias: ''
    bw: samp_rate
    comment: ''
    fc: center_freq
    fftsize: '1024'
    gui_hint: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    name: '""'
    plotconst: 'True'
    plotfreq: 'True'
    plottime: 'True'
    plotwaterfall: 'True'
    rate: '10'
    showports: 'False'
    showrf: 'True'
    type: complex
    wintype: window.WIN_BLACKMAN_hARRIS
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 292.0]
    rotation: 0
    state: true
- name: soapy_custom_source_0
  id: soapy_custom_source
  parameters:
    affinity: ''
    agc0: 'False'
    agc1: 'False'
    alias: ''
    antenna0: RX
    antenna1: ''
    bandwidth0: '0'
    bandwidth1: '0'
    center_freq0: center_freq
    center_freq1: '0'
    comment: ''
    dc_offset0: '0'
    dc_offset1: '0'
    dc_removal0: 'True'
    dc_removal1: 'True'
    dev_args: ''
    driver: ''
    freq_correction0: '0'
    freq_correction1: '0'
    gain0: rf_gain
    gain1: '0'
    iq_balance0: '0'
    iq_balance1: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    nchan: '1'
    samp_rate: samp_rate
    settings0: ''
    settings1: ''
    stream_args: ''
    tune_args0: ''
    tune_args1: ''
    type: fc32
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [40, 292.0]
    rotation: 0
    state: true
- name: uhd_usrp_source_0
  id: uhd_usrp_source
  parameters:
    affinity: ''
    alias: ''
    ant0: '"RX2"'
    ant1: RX2
    ant10: RX2
    ant11: RX2
    ant12: RX2
    ant13: RX2
    ant14: RX2
    ant15: RX2
    ant16: RX2
    ant17: RX2
    ant18: RX2
    ant19: RX2
    ant2: RX2
    ant20: RX2
    ant21: RX2
    ant22: RX2
    ant23: RX2
    ant24: RX2
    ant25: RX2
    ant26: RX2
    ant27: RX2
    ant28: RX2
    ant29: RX2
    ant3: RX2
    ant30: RX2
    ant31: RX2
    ant4: RX2
    ant5: RX2
    ant6: RX2
    ant7: RX2
    ant8: RX2
    ant9: RX2
    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: uhd.tune_request(center_freq, 180000)
    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: 0e0
    clock_source0: ''
    clock_source1: ''
    clock_source2: ''
    clock_source3: ''
    clock_source4: ''
    clock_source5: ''
    clock_source6: ''
    clock_source7: ''
    comment: ''
    dc_offs0: 0+0j
    dc_offs1: 0+0j
    dc_offs10: 0+0j
    dc_offs11: 0+0j
    dc_offs12: 0+0j
    dc_offs13: 0+0j
    dc_offs14: 0+0j
    dc_offs15: 0+0j
    dc_offs16: 0+0j
    dc_offs17: 0+0j
    dc_offs18: 0+0j
    dc_offs19: 0+0j
    dc_offs2: 0+0j
    dc_offs20: 0+0j
    dc_offs21: 0+0j
    dc_offs22: 0+0j
    dc_offs23: 0+0j
    dc_offs24: 0+0j
    dc_offs25: 0+0j
    dc_offs26: 0+0j
    dc_offs27: 0+0j
    dc_offs28: 0+0j
    dc_offs29: 0+0j
    dc_offs3: 0+0j
    dc_offs30: 0+0j
    dc_offs31: 0+0j
    dc_offs4: 0+0j
    dc_offs5: 0+0j
    dc_offs6: 0+0j
    dc_offs7: 0+0j
    dc_offs8: 0+0j
    dc_offs9: 0+0j
    dc_offs_enb0: default
    dc_offs_enb1: default
    dc_offs_enb10: default
    dc_offs_enb11: default
    dc_offs_enb12: default
    dc_offs_enb13: default
    dc_offs_enb14: default
    dc_offs_enb15: default
    dc_offs_enb16: default
    dc_offs_enb17: default
    dc_offs_enb18: default
    dc_offs_enb19: default
    dc_offs_enb2: default
    dc_offs_enb20: default
    dc_offs_enb21: default
    dc_offs_enb22: default
    dc_offs_enb23: default
    dc_offs_enb24: default
    dc_offs_enb25: default
    dc_offs_enb26: default
    dc_offs_enb27: default
    dc_offs_enb28: default
    dc_offs_enb29: default
    dc_offs_enb3: default
    dc_offs_enb30: default
    dc_offs_enb31: default
    dc_offs_enb4: default
    dc_offs_enb5: default
    dc_offs_enb6: default
    dc_offs_enb7: default
    dc_offs_enb8: default
    dc_offs_enb9: default
    dev_addr: ''
    dev_args: '""'
    gain0: rf_gain
    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'
    gain_type0: default
    gain_type1: default
    gain_type10: default
    gain_type11: default
    gain_type12: default
    gain_type13: default
    gain_type14: default
    gain_type15: default
    gain_type16: default
    gain_type17: default
    gain_type18: default
    gain_type19: default
    gain_type2: default
    gain_type20: default
    gain_type21: default
    gain_type22: default
    gain_type23: default
    gain_type24: default
    gain_type25: default
    gain_type26: default
    gain_type27: default
    gain_type28: default
    gain_type29: default
    gain_type3: default
    gain_type30: default
    gain_type31: default
    gain_type4: default
    gain_type5: default
    gain_type6: default
    gain_type7: default
    gain_type8: default
    gain_type9: default
    iq_imbal0: 0+0j
    iq_imbal1: 0+0j
    iq_imbal10: 0+0j
    iq_imbal11: 0+0j
    iq_imbal12: 0+0j
    iq_imbal13: 0+0j
    iq_imbal14: 0+0j
    iq_imbal15: 0+0j
    iq_imbal16: 0+0j
    iq_imbal17: 0+0j
    iq_imbal18: 0+0j
    iq_imbal19: 0+0j
    iq_imbal2: 0+0j
    iq_imbal20: 0+0j
    iq_imbal21: 0+0j
    iq_imbal22: 0+0j
    iq_imbal23: 0+0j
    iq_imbal24: 0+0j
    iq_imbal25: 0+0j
    iq_imbal26: 0+0j
    iq_imbal27: 0+0j
    iq_imbal28: 0+0j
    iq_imbal29: 0+0j
    iq_imbal3: 0+0j
    iq_imbal30: 0+0j
    iq_imbal31: 0+0j
    iq_imbal4: 0+0j
    iq_imbal5: 0+0j
    iq_imbal6: 0+0j
    iq_imbal7: 0+0j
    iq_imbal8: 0+0j
    iq_imbal9: 0+0j
    iq_imbal_enb0: default
    iq_imbal_enb1: default
    iq_imbal_enb10: default
    iq_imbal_enb11: default
    iq_imbal_enb12: default
    iq_imbal_enb13: default
    iq_imbal_enb14: default
    iq_imbal_enb15: default
    iq_imbal_enb16: default
    iq_imbal_enb17: default
    iq_imbal_enb18: default
    iq_imbal_enb19: default
    iq_imbal_enb2: default
    iq_imbal_enb20: default
    iq_imbal_enb21: default
    iq_imbal_enb22: default
    iq_imbal_enb23: default
    iq_imbal_enb24: default
    iq_imbal_enb25: default
    iq_imbal_enb26: default
    iq_imbal_enb27: default
    iq_imbal_enb28: default
    iq_imbal_enb29: default
    iq_imbal_enb3: default
    iq_imbal_enb30: default
    iq_imbal_enb31: default
    iq_imbal_enb4: default
    iq_imbal_enb5: default
    iq_imbal_enb6: default
    iq_imbal_enb7: default
    iq_imbal_enb8: default
    iq_imbal_enb9: default
    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'
    num_mboards: '1'
    otw: ''
    rx_agc0: Disabled
    rx_agc1: Default
    rx_agc10: Default
    rx_agc11: Default
    rx_agc12: Default
    rx_agc13: Default
    rx_agc14: Default
    rx_agc15: Default
    rx_agc16: Default
    rx_agc17: Default
    rx_agc18: Default
    rx_agc19: Default
    rx_agc2: Default
    rx_agc20: Default
    rx_agc21: Default
    rx_agc22: Default
    rx_agc23: Default
    rx_agc24: Default
    rx_agc25: Default
    rx_agc26: Default
    rx_agc27: Default
    rx_agc28: Default
    rx_agc29: Default
    rx_agc3: Default
    rx_agc30: Default
    rx_agc31: Default
    rx_agc4: Default
    rx_agc5: Default
    rx_agc6: Default
    rx_agc7: Default
    rx_agc8: Default
    rx_agc9: Default
    samp_rate: samp_rate
    sd_spec0: ''
    sd_spec1: ''
    sd_spec2: ''
    sd_spec3: ''
    sd_spec4: ''
    sd_spec5: ''
    sd_spec6: ''
    sd_spec7: ''
    show_lo_controls: 'False'
    start_time: '-1.0'
    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:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [40, 156.0]
    rotation: 0
    state: disabled

connections:
- [analog_wfm_rcv_pll_0, '0', blocks_multiply_const_vxx_0_0, '0']
- [analog_wfm_rcv_pll_0, '1', blocks_multiply_const_vxx_0_0_0, '0']
- [blocks_multiply_const_vxx_0_0, '0', audio_sink_0, '0']
- [blocks_multiply_const_vxx_0_0_0, '0', audio_sink_0, '1']
- [filter_fft_low_pass_filter_0, '0', analog_wfm_rcv_pll_0, '0']
- [filter_fft_low_pass_filter_0, '0', qtgui_sink_x_0, '0']
- [soapy_custom_source_0, '0', filter_fft_low_pass_filter_0, '0']
- [uhd_usrp_source_0, '0', filter_fft_low_pass_filter_0, '0']

metadata:
  file_format: 1
