options:
  parameters:
    author: Mic - YD3BRB
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: "Copyleft \U0001F12F"
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: HackRF_Tx
    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: HackRF_Tx
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [24, 16.0]
    rotation: 0
    state: enabled

blocks:
- name: audio_samp_rate
  id: variable
  parameters:
    comment: ''
    value: int(4.8e4)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [200, 12.0]
    rotation: 0
    state: enabled
- name: quadrature_rate
  id: variable
  parameters:
    comment: ''
    value: int(48e3)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [328, 12.0]
    rotation: 0
    state: enabled
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: int(2e6)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [448, 12.0]
    rotation: 0
    state: enabled
- name: tune_freq
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: ''
    min_len: '300'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: 144e6
    step: 50e3
    stop: 149e6
    value: 145.6e6
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [584, 12.0]
    rotation: 0
    state: true
- name: vga_gain
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: ''
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0'
    step: '2'
    stop: '49'
    value: '32'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [728, 12.0]
    rotation: 0
    state: true
- name: analog_nbfm_tx_0
  id: analog_nbfm_tx
  parameters:
    affinity: ''
    alias: ''
    audio_rate: audio_samp_rate
    comment: ''
    fh: '-1.0'
    max_dev: 5e3
    maxoutbuf: '0'
    minoutbuf: '0'
    quad_rate: quadrature_rate
    tau: 75e-6
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [232, 180.0]
    rotation: 0
    state: true
- name: audio_source_0
  id: audio_source
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    device_name: soundblaster
    maxoutbuf: '0'
    minoutbuf: '0'
    num_outputs: '1'
    ok_to_block: 'True'
    samp_rate: '48000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [24, 172.0]
    rotation: 0
    state: true
- name: qtgui_waterfall_sink_x_0
  id: qtgui_waterfall_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'
    axislabels: 'True'
    bw: samp_rate/4
    color1: '0'
    color10: '0'
    color2: '0'
    color3: '0'
    color4: '0'
    color5: '0'
    color6: '0'
    color7: '0'
    color8: '0'
    color9: '0'
    comment: ''
    fc: '0'
    fftsize: '1024'
    freqhalf: 'True'
    grid: 'False'
    gui_hint: ''
    int_max: '10'
    int_min: '-140'
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    name: '""'
    nconnections: '1'
    showports: 'False'
    type: complex
    update_time: '0.10'
    wintype: window.WIN_BLACKMAN_hARRIS
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [536, 308.0]
    rotation: 0
    state: true
- name: rational_resampler_xxx_0_0
  id: rational_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: quadrature_rate
    fbw: '0'
    interp: samp_rate
    maxoutbuf: '0'
    minoutbuf: '0'
    taps: '[]'
    type: ccc
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [488, 132.0]
    rotation: 0
    state: true
- name: soapy_hackrf_sink_0
  id: soapy_hackrf_sink
  parameters:
    affinity: ''
    alias: ''
    amp: 'False'
    bandwidth: '0'
    center_freq: tune_freq
    comment: ''
    dev_args: ''
    samp_rate: samp_rate
    type: fc32
    vga: vga_gain
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [816, 160.0]
    rotation: 0
    state: true

connections:
- [analog_nbfm_tx_0, '0', qtgui_waterfall_sink_x_0, '0']
- [analog_nbfm_tx_0, '0', rational_resampler_xxx_0_0, '0']
- [audio_source_0, '0', analog_nbfm_tx_0, '0']
- [rational_resampler_xxx_0_0, '0', soapy_hackrf_sink_0, '0']

metadata:
  file_format: 1