options:
  parameters:
    author: Manolis Surligas, George Vardakis
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: A NOAA APT Decoder with automatic image synchronization
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: no_gui
    hier_block_src_path: '.:'
    id: satnogs_noaa_apt_decoder
    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: NOAA APT Decoder
    window_size: 2048,1080
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 8]
    rotation: 0
    state: enabled

blocks:
- name: audio_samp_rate
  id: variable
  parameters:
    comment: ''
    value: '48000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1056, 12.0]
    rotation: 0
    state: enabled
- name: analog_wfm_rcv_0
  id: analog_wfm_rcv
  parameters:
    affinity: ''
    alias: ''
    audio_decimation: '1'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    quad_rate: 4*4160*4
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 524.0]
    rotation: 0
    state: enabled
- name: antenna
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [792, 12.0]
    rotation: 0
    state: enabled
- name: band_pass_filter_0
  id: band_pass_filter
  parameters:
    affinity: ''
    alias: ''
    beta: '6.76'
    comment: ''
    decim: '4'
    gain: '1'
    high_cutoff_freq: 4.2e3
    interp: '1'
    low_cutoff_freq: '500'
    maxoutbuf: '0'
    minoutbuf: '0'
    samp_rate: (4*4160*4 )
    type: fir_filter_fff
    width: '200'
    win: firdes.WIN_HAMMING
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [728, 476.0]
    rotation: 0
    state: enabled
- name: blocks_complex_to_mag_0
  id: blocks_complex_to_mag
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1040, 536.0]
    rotation: 0
    state: enabled
- name: bw
  id: parameter
  parameters:
    alias: ''
    comment: 'The bandwidth should configure RF filters on some devices.

      Set to 0.0 for automatic calculation.'
    hide: none
    label: Bandwidth
    short_id: ''
    type: eng_float
    value: '0.0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [952, 12.0]
    rotation: 0
    state: enabled
- name: decoded_data_file_path
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: /tmp/.satnogs/data/data
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 764.0]
    rotation: 0
    state: enabled
- name: dev_args
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: Device arguments
    short_id: ''
    type: str
    value: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [336, 12.0]
    rotation: 0
    state: enabled
- name: doppler_correction_per_sec
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '20'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [176, 764.0]
    rotation: 0
    state: enabled
- name: enable_iq_dump
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 684.0]
    rotation: 0
    state: enabled
- name: file_path
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: test.wav
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [160, 684.0]
    rotation: 180
    state: enabled
- name: flip_images
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1176, 12.0]
    rotation: 0
    state: enabled
- name: gain
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: eng_float
    value: '0.0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [880, 12.0]
    rotation: 0
    state: enabled
- name: hilbert_fc_0
  id: hilbert_fc
  parameters:
    affinity: ''
    alias: ''
    beta: '6.76'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_taps: '65'
    win: firdes.WIN_HAMMING
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [904, 532.0]
    rotation: 0
    state: enabled
- name: iq_file_path
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: /tmp/iq.dat
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [400, 684.0]
    rotation: 0
    state: enabled
- name: lo_offset
  id: parameter
  parameters:
    alias: ''
    comment: 'To avoid the SDR carrier at the DC

      we shift the LO a little further'
    hide: none
    label: ''
    short_id: ''
    type: eng_float
    value: 100e3
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [704, 12.0]
    rotation: 0
    state: enabled
- name: low_pass_filter_0_0
  id: low_pass_filter
  parameters:
    affinity: ''
    alias: ''
    beta: '6.76'
    comment: "Perform a relaxed filter to increase \nthe performance of the auto frequency\n\
      correction"
    cutoff_freq: 4*4160*1.1
    decim: '1'
    gain: '1'
    interp: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    samp_rate: 4*4160*4
    type: fir_filter_ccf
    width: 1e3
    win: firdes.WIN_HAMMING
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [264, 484.0]
    rotation: 0
    state: enabled
- name: pfb_arb_resampler_xxx_0
  id: pfb_arb_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    atten: '100'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    nfilts: '32'
    rrate: audio_samp_rate / (4*4160*4)
    samp_delay: '0'
    taps: ''
    type: fff
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [728, 380.0]
    rotation: 0
    state: true
- name: rational_resampler_xxx_0_0
  id: rational_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: '4'
    fbw: '0'
    interp: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    taps: ''
    type: fff
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1184, 508.0]
    rotation: 0
    state: enabled
- name: rigctl_port
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '4532'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [344, 764.0]
    rotation: 0
    state: enabled
- name: rx_freq
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: eng_float
    value: 100e6
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [624, 12.0]
    rotation: 0
    state: enabled
- name: samp_rate_rx
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: Device Sampling rate
    short_id: ''
    type: eng_float
    value: '0.0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [472, 12.0]
    rotation: 0
    state: enabled
- name: satnogs_doppler_compensation_0
  id: satnogs_doppler_compensation
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    compensate: '1'
    lo_offset: lo_offset
    maxoutbuf: '0'
    minoutbuf: '0'
    out_samp_rate: 4*4160*4
    samp_rate: samp_rate_rx
    sat_freq: rx_freq
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 132.0]
    rotation: 0
    state: true
- name: satnogs_iq_sink_0_0
  id: satnogs_iq_sink
  parameters:
    activate: enable_iq_dump
    affinity: ''
    alias: ''
    append: 'False'
    comment: ''
    filename: iq_file_path
    scale: '16768'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 588.0]
    rotation: 180
    state: enabled
- name: satnogs_noaa_apt_sink_1
  id: satnogs_noaa_apt_sink
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    filename_png: decoded_data_file_path
    flip: 'False'
    height: '1800'
    sync: 'True'
    width: '2080'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1144, 612.0]
    rotation: 180
    state: true
- name: satnogs_ogg_encoder_0
  id: satnogs_ogg_encoder
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    filename: file_path
    quality: '0.8'
    samp_rate: audio_samp_rate
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [952, 388.0]
    rotation: 0
    state: enabled
- name: satnogs_tcp_rigctl_msg_source_0
  id: satnogs_tcp_rigctl_msg_source
  parameters:
    addr: '"127.0.0.1"'
    affinity: ''
    alias: ''
    comment: ''
    interval: int(1000.0/doppler_correction_per_sec) + 1
    maxoutbuf: '0'
    minoutbuf: '0'
    mode: 'False'
    mtu: '1500'
    port: rigctl_port
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [208, 244.0]
    rotation: 0
    state: enabled
- name: satnogs_waterfall_sink_0_0
  id: satnogs_waterfall_sink
  parameters:
    affinity: ''
    alias: ''
    center_freq: rx_freq
    comment: ''
    fft_size: '1024'
    filename: waterfall_file_path
    mode: '1'
    rps: '10'
    samp_rate: 4*4160*4
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 404.0]
    rotation: 180
    state: enabled
- name: soapy_rx_device
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: driver=invalid
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [216, 12.0]
    rotation: 0
    state: enabled
- name: soapy_source_0
  id: soapy_source
  parameters:
    affinity: ''
    alias: ''
    amp_gain0: '0'
    ant0: antenna
    ant1: RX2
    args: dev_args
    balance0: '0'
    balance1: '0'
    bw0: bw
    bw1: '0'
    center_freq0: rx_freq - lo_offset
    center_freq1: '0'
    clock_rate: '0'
    clock_source: ''
    comment: ''
    correction0: '0'
    correction1: '0'
    dc_offset0: '0'
    dc_offset1: '0'
    dc_offset_auto_mode0: 'False'
    dc_offset_auto_mode1: 'False'
    dev: soapy_rx_device
    devname: custom
    gain_auto_mode0: 'False'
    gain_auto_mode1: 'False'
    ifgr_gain: '59'
    lna_gain0: '10'
    lna_gain1: '10'
    manual_gain0: 'False'
    manual_gain1: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    mix_gain0: '10'
    mix_gain1: '10'
    nchan: '1'
    nco_freq0: '0'
    nco_freq1: '0'
    overall_gain0: gain
    overall_gain1: '10'
    pga_gain0: '24'
    pga_gain1: '24'
    rfgr_gain: '9'
    samp_rate: samp_rate_rx
    sdrplay_agc_setpoint: '-30'
    sdrplay_biastee: 'True'
    sdrplay_dabnotch: 'False'
    sdrplay_if_mode: Zero-IF
    sdrplay_rfnotch: 'False'
    tia_gain0: '0'
    tia_gain1: '0'
    tuner_gain0: '10'
    tuner_gain1: '10'
    type: fc32
    vga_gain0: '10'
    vga_gain1: '10'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [208, 108.0]
    rotation: 0
    state: true
- name: sync
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1264, 12.0]
    rotation: 0
    state: enabled
- name: udp_IP
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: 127.0.0.1
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [512, 684.0]
    rotation: 0
    state: enabled
- name: udp_port
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: intx
    value: '16887'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [440, 764.0]
    rotation: 0
    state: enabled
- name: virtual_sink_0
  id: virtual_sink
  parameters:
    alias: ''
    comment: ''
    stream_id: doppler_corrected
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [768, 164.0]
    rotation: 0
    state: true
- name: virtual_source_0
  id: virtual_source
  parameters:
    alias: ''
    comment: ''
    stream_id: doppler_corrected
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 532.0]
    rotation: 0
    state: true
- name: waterfall_file_path
  id: parameter
  parameters:
    alias: ''
    comment: ''
    hide: none
    label: ''
    short_id: ''
    type: str
    value: /tmp/waterfall.dat
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 684.0]
    rotation: 0
    state: enabled

connections:
- [analog_wfm_rcv_0, '0', band_pass_filter_0, '0']
- [analog_wfm_rcv_0, '0', pfb_arb_resampler_xxx_0, '0']
- [band_pass_filter_0, '0', hilbert_fc_0, '0']
- [blocks_complex_to_mag_0, '0', rational_resampler_xxx_0_0, '0']
- [hilbert_fc_0, '0', blocks_complex_to_mag_0, '0']
- [low_pass_filter_0_0, '0', analog_wfm_rcv_0, '0']
- [pfb_arb_resampler_xxx_0, '0', satnogs_ogg_encoder_0, '0']
- [rational_resampler_xxx_0_0, '0', satnogs_noaa_apt_sink_1, '0']
- [satnogs_doppler_compensation_0, '0', virtual_sink_0, '0']
- [satnogs_tcp_rigctl_msg_source_0, freq, satnogs_doppler_compensation_0, doppler]
- [soapy_source_0, '0', satnogs_doppler_compensation_0, '0']
- [virtual_source_0, '0', low_pass_filter_0_0, '0']
- [virtual_source_0, '0', satnogs_iq_sink_0_0, '0']
- [virtual_source_0, '0', satnogs_waterfall_sink_0_0, '0']

metadata:
  file_format: 1