fm_rx_rtl_echolink.grc

options:
  parameters:
    author: ''
    category: Custom
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: Transmits NBFM from pc audio
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: NBFM_XCVR
    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: NBFM Transceiver
    window_size: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 4]
    rotation: 0
    state: enabled

blocks:
- name: spike_freq
  id: variable
  parameters:
    comment: ''
    value: 144e6
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [656, 476.0]
    rotation: 0
    state: enabled
- name: variable_qtgui_range_0
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: Audio Autput level
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '0'
    step: '0.1'
    stop: '2'
    value: '1'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [496, 460.0]
    rotation: 0
    state: true
- name: variable_qtgui_range_1
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: Frequency
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: 144e6
    step: '0.1'
    stop: 146e6
    value: 145.300e6
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [24, 332.0]
    rotation: 0
    state: true
- name: variable_qtgui_range_2
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: Squelch
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '-160'
    step: '0.1'
    stop: '10'
    value: '-50'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [800, 76.0]
    rotation: 0
    state: true
- name: analog_nbfm_rx_0
  id: analog_nbfm_rx
  parameters:
    affinity: ''
    alias: ''
    audio_rate: '48000'
    comment: ''
    max_dev: 5.0e3
    maxoutbuf: '0'
    minoutbuf: '0'
    quad_rate: '48000'
    tau: '.75e-6'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [472, 196.0]
    rotation: 0
    state: enabled
- name: analog_pwr_squelch_xx_0
  id: analog_pwr_squelch_xx
  parameters:
    affinity: ''
    alias: ''
    alpha: 9e-2
    comment: ''
    gate: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    ramp: '0'
    threshold: variable_qtgui_range_2
    type: complex
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [456, 324.0]
    rotation: 0
    state: true
- name: audio_sink_1
  id: audio_sink
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    device_name: ''
    num_inputs: '1'
    ok_to_block: 'True'
    samp_rate: '48000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [872, 212.0]
    rotation: 0
    state: true
- name: blocks_multiply_const_vxx_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: variable_qtgui_range_0
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [704, 212.0]
    rotation: 0
    state: enabled
- name: dc_blocker_xx_0
  id: dc_blocker_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    length: '32'
    long_form: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    type: ff
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [672, 284.0]
    rotation: 0
    state: true
- name: low_pass_filter_0_0
  id: low_pass_filter
  parameters:
    affinity: ''
    alias: ''
    beta: '6.76'
    comment: ''
    cutoff_freq: 15e3
    decim: '1'
    gain: '1'
    interp: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    samp_rate: 48e3
    type: fir_filter_ccf
    width: 2e3
    win: firdes.WIN_HAMMING
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 332.0]
    rotation: 0
    state: enabled
- name: osmosdr_source_0
  id: osmosdr_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: rtl=0
    bb_gain0: '40'
    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: '50'
    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: '2'
    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: variable_qtgui_range_1
    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: '40'
    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: 'True'
    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: '40'
    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: '2'
    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: 1.2e6
    sync: pc_clock
    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: [16, 108.0]
    rotation: 0
    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: '1.0'
    axislabels: 'True'
    bw: 1.2e6
    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: '0'
    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: 'False'
    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: firdes.WIN_BLACKMAN_hARRIS
    ymax: '10'
    ymin: '-140'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [472, 0.0]
    rotation: 0
    state: enabled
- 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: 'False'
    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: ''
    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: '2'
    size: '1024'
    srate: '48000'
    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: Amplitude
    ymax: '1'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [848, 276.0]
    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: 1.2e6
    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: '-100'
    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: firdes.WIN_BLACKMAN_hARRIS
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [264, 16.0]
    rotation: 0
    state: true
- name: rational_resampler_xxx_0
  id: rational_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: '1200000'
    fbw: '0'
    interp: '48000'
    maxoutbuf: '0'
    minoutbuf: '0'
    taps: ''
    type: ccc
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 220.0]
    rotation: 0
    state: enabled

connections:
- [analog_nbfm_rx_0, '0', dc_blocker_xx_0, '0']
- [analog_pwr_squelch_xx_0, '0', analog_nbfm_rx_0, '0']
- [blocks_multiply_const_vxx_0, '0', audio_sink_1, '0']
- [blocks_multiply_const_vxx_0, '0', qtgui_time_sink_x_0, '1']
- [dc_blocker_xx_0, '0', blocks_multiply_const_vxx_0, '0']
- [dc_blocker_xx_0, '0', qtgui_time_sink_x_0, '0']
- [low_pass_filter_0_0, '0', analog_pwr_squelch_xx_0, '0']
- [osmosdr_source_0, '0', qtgui_freq_sink_x_0, '0']
- [osmosdr_source_0, '0', qtgui_waterfall_sink_x_0, '0']
- [osmosdr_source_0, '0', rational_resampler_xxx_0, '0']
- [rational_resampler_xxx_0, '0', low_pass_filter_0_0, '0']

metadata:
  file_format: 1