diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt index b54538f..332ac66 100644 --- a/apps/CMakeLists.txt +++ b/apps/CMakeLists.txt @@ -37,5 +37,6 @@ GR_PYTHON_INSTALL( flowgraphs/satnogs_fsk_ax25.py flowgraphs/satnogs_msk_ax25.py flowgraphs/satnogs_bpsk_ax25.py + flowgraphs/satnogs_sstv_pd120_demod.py DESTINATION bin ) diff --git a/apps/flowgraphs/satnogs_sstv_pd120_demod.py b/apps/flowgraphs/satnogs_sstv_pd120_demod.py new file mode 100755 index 0000000..6315b41 --- /dev/null +++ b/apps/flowgraphs/satnogs_sstv_pd120_demod.py @@ -0,0 +1,356 @@ +#!/usr/bin/env python2 +# -*- coding: utf-8 -*- +################################################## +# GNU Radio Python Flow Graph +# Title: SSTV PD120 Demodulation +# Author: Sebastian Schumb (sebastian@sebastains-site.de) +# Description: A PD120 SSTV demodulator +# Generated: Fri Apr 5 23:30:50 2019 +################################################## + +from gnuradio import analog +from gnuradio import eng_notation +from gnuradio import filter +from gnuradio import gr +from gnuradio.eng_option import eng_option +from gnuradio.filter import firdes +from optparse import OptionParser +import math +import osmosdr +import satnogs +import time + + +class satnogs_sstv_pd120_demod(gr.top_block): + + def __init__(self, antenna=satnogs.not_set_antenna, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=20, enable_iq_dump=0, file_path='test.ogg', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', waterfall_file_path='/tmp/waterfall.dat'): + gr.top_block.__init__(self, "SSTV PD120 Demodulation") + + ################################################## + # Parameters + ################################################## + self.antenna = antenna + self.bb_gain = bb_gain + self.decoded_data_file_path = decoded_data_file_path + self.dev_args = dev_args + self.doppler_correction_per_sec = doppler_correction_per_sec + self.enable_iq_dump = enable_iq_dump + self.file_path = file_path + self.if_gain = if_gain + self.iq_file_path = iq_file_path + self.lo_offset = lo_offset + self.ppm = ppm + self.rf_gain = rf_gain + self.rigctl_port = rigctl_port + self.rx_freq = rx_freq + self.rx_sdr_device = rx_sdr_device + self.waterfall_file_path = waterfall_file_path + + ################################################## + # Variables + ################################################## + self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate'] + self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76) + + self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000, firdes.WIN_HAMMING, 6.76) + + self.max_modulation_freq = max_modulation_freq = 3000 + self.filter_rate = filter_rate = 250000 + self.deviation = deviation = 5000 + self.audio_samp_rate = audio_samp_rate = 48000 + + ################################################## + # Blocks + ################################################## + self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1) + self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source("127.0.0.1", rigctl_port, False, 1000/doppler_correction_per_sec, 1500) + self.satnogs_sstv_pd120_sink_0 = satnogs.sstv_pd120_sink(decoded_data_file_path) + self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0) + self.satnogs_iq_sink_0 = satnogs.iq_sink(32767, iq_file_path, False, enable_iq_dump) + self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, samp_rate_rx) + self.rational_resampler_xxx_0 = filter.rational_resampler_fff( + interpolation=5263, + decimation=12000, + taps=None, + fractional_bw=None, + ) + self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) ) + self.osmosdr_source_0.set_sample_rate(samp_rate_rx) + self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0) + self.osmosdr_source_0.set_freq_corr(ppm, 0) + self.osmosdr_source_0.set_dc_offset_mode(2, 0) + self.osmosdr_source_0.set_iq_balance_mode(0, 0) + self.osmosdr_source_0.set_gain_mode(False, 0) + self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0) + self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0) + self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0) + self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0) + self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0) + + self.low_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.low_pass( + 1, 12000, 1500, 1000, firdes.WIN_HAMMING, 6.76)) + self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass( + 1, audio_samp_rate, deviation+max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76)) + self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(4, (63, ), 1750, audio_samp_rate) + self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate_rx/filter_rate), (xlate_filter_taps), lo_offset, samp_rate_rx) + self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc( + interpolation=24, + decimation=125, + taps=None, + fractional_bw=None, + ) + self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf((2*math.pi*deviation)/audio_samp_rate) + self.analog_nbfm_rx_0 = analog.nbfm_rx( + audio_rate=12000, + quad_rate=12000, + tau=75e-6, + max_dev=600, + ) + + + + ################################################## + # Connections + ################################################## + self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq')) + self.connect((self.analog_nbfm_rx_0, 0), (self.low_pass_filter_0_0, 0)) + self.connect((self.analog_quadrature_demod_cf_0, 0), (self.satnogs_ogg_encoder_0, 0)) + self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.low_pass_filter_0, 0)) + self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_iq_sink_0, 0)) + self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_waterfall_sink_0, 0)) + self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0)) + self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_nbfm_rx_0, 0)) + self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0)) + self.connect((self.low_pass_filter_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0)) + self.connect((self.low_pass_filter_0_0, 0), (self.rational_resampler_xxx_0, 0)) + self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0)) + self.connect((self.rational_resampler_xxx_0, 0), (self.satnogs_sstv_pd120_sink_0, 0)) + self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) + + def get_antenna(self): + return self.antenna + + def set_antenna(self, antenna): + self.antenna = antenna + self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0) + + def get_bb_gain(self): + return self.bb_gain + + def set_bb_gain(self, bb_gain): + self.bb_gain = bb_gain + self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0) + + def get_decoded_data_file_path(self): + return self.decoded_data_file_path + + def set_decoded_data_file_path(self, decoded_data_file_path): + self.decoded_data_file_path = decoded_data_file_path + + def get_dev_args(self): + return self.dev_args + + def set_dev_args(self, dev_args): + self.dev_args = dev_args + + def get_doppler_correction_per_sec(self): + return self.doppler_correction_per_sec + + def set_doppler_correction_per_sec(self, doppler_correction_per_sec): + self.doppler_correction_per_sec = doppler_correction_per_sec + + def get_enable_iq_dump(self): + return self.enable_iq_dump + + def set_enable_iq_dump(self, enable_iq_dump): + self.enable_iq_dump = enable_iq_dump + + def get_file_path(self): + return self.file_path + + def set_file_path(self, file_path): + self.file_path = file_path + + def get_if_gain(self): + return self.if_gain + + def set_if_gain(self, if_gain): + self.if_gain = if_gain + self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0) + + def get_iq_file_path(self): + return self.iq_file_path + + def set_iq_file_path(self, iq_file_path): + self.iq_file_path = iq_file_path + + def get_lo_offset(self): + return self.lo_offset + + def set_lo_offset(self, lo_offset): + self.lo_offset = lo_offset + self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0) + self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.lo_offset) + + def get_ppm(self): + return self.ppm + + def set_ppm(self, ppm): + self.ppm = ppm + self.osmosdr_source_0.set_freq_corr(self.ppm, 0) + + def get_rf_gain(self): + return self.rf_gain + + def set_rf_gain(self, rf_gain): + self.rf_gain = rf_gain + self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0) + + def get_rigctl_port(self): + return self.rigctl_port + + def set_rigctl_port(self, rigctl_port): + self.rigctl_port = rigctl_port + + def get_rx_freq(self): + return self.rx_freq + + def set_rx_freq(self, rx_freq): + self.rx_freq = rx_freq + self.satnogs_coarse_doppler_correction_cc_0.set_new_freq_locked(self.rx_freq) + self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0) + + def get_rx_sdr_device(self): + return self.rx_sdr_device + + def set_rx_sdr_device(self, rx_sdr_device): + self.rx_sdr_device = rx_sdr_device + self.set_samp_rate_rx(satnogs.hw_rx_settings[self.rx_sdr_device]['samp_rate']) + self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0) + self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0) + self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0) + self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0) + + def get_waterfall_file_path(self): + return self.waterfall_file_path + + def set_waterfall_file_path(self, waterfall_file_path): + self.waterfall_file_path = waterfall_file_path + + def get_samp_rate_rx(self): + return self.samp_rate_rx + + def set_samp_rate_rx(self, samp_rate_rx): + self.samp_rate_rx = samp_rate_rx + self.set_xlate_filter_taps(firdes.low_pass(1, self.samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)) + self.osmosdr_source_0.set_sample_rate(self.samp_rate_rx) + self.osmosdr_source_0.set_bandwidth(self.samp_rate_rx, 0) + + def get_xlate_filter_taps(self): + return self.xlate_filter_taps + + def set_xlate_filter_taps(self, xlate_filter_taps): + self.xlate_filter_taps = xlate_filter_taps + self.freq_xlating_fir_filter_xxx_0.set_taps((self.xlate_filter_taps)) + + def get_taps(self): + return self.taps + + def set_taps(self, taps): + self.taps = taps + + def get_max_modulation_freq(self): + return self.max_modulation_freq + + def set_max_modulation_freq(self, max_modulation_freq): + self.max_modulation_freq = max_modulation_freq + self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76)) + + def get_filter_rate(self): + return self.filter_rate + + def set_filter_rate(self, filter_rate): + self.filter_rate = filter_rate + + def get_deviation(self): + return self.deviation + + def set_deviation(self, deviation): + self.deviation = deviation + self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76)) + self.analog_quadrature_demod_cf_0.set_gain((2*math.pi*self.deviation)/self.audio_samp_rate) + + def get_audio_samp_rate(self): + return self.audio_samp_rate + + def set_audio_samp_rate(self, audio_samp_rate): + self.audio_samp_rate = audio_samp_rate + self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76)) + self.analog_quadrature_demod_cf_0.set_gain((2*math.pi*self.deviation)/self.audio_samp_rate) + + +def argument_parser(): + description = 'A PD120 SSTV demodulator' + parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description) + parser.add_option( + "", "--antenna", dest="antenna", type="string", default=satnogs.not_set_antenna, + help="Set antenna [default=%default]") + parser.add_option( + "", "--bb-gain", dest="bb_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_bb_gain), + help="Set bb_gain [default=%default]") + parser.add_option( + "", "--decoded-data-file-path", dest="decoded_data_file_path", type="string", default='/tmp/.satnogs/data/data', + help="Set decoded_data_file_path [default=%default]") + parser.add_option( + "", "--dev-args", dest="dev_args", type="string", default=satnogs.not_set_dev_args, + help="Set dev_args [default=%default]") + parser.add_option( + "", "--doppler-correction-per-sec", dest="doppler_correction_per_sec", type="intx", default=20, + help="Set doppler_correction_per_sec [default=%default]") + parser.add_option( + "", "--enable-iq-dump", dest="enable_iq_dump", type="intx", default=0, + help="Set enable_iq_dump [default=%default]") + parser.add_option( + "", "--file-path", dest="file_path", type="string", default='test.ogg', + help="Set file_path [default=%default]") + parser.add_option( + "", "--if-gain", dest="if_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_if_gain), + help="Set if_gain [default=%default]") + parser.add_option( + "", "--iq-file-path", dest="iq_file_path", type="string", default='/tmp/iq.dat', + help="Set iq_file_path [default=%default]") + parser.add_option( + "", "--lo-offset", dest="lo_offset", type="eng_float", default=eng_notation.num_to_str(100e3), + help="Set lo_offset [default=%default]") + parser.add_option( + "", "--ppm", dest="ppm", type="intx", default=0, + help="Set ppm [default=%default]") + parser.add_option( + "", "--rf-gain", dest="rf_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_rf_gain), + help="Set rf_gain [default=%default]") + parser.add_option( + "", "--rigctl-port", dest="rigctl_port", type="intx", default=4532, + help="Set rigctl_port [default=%default]") + parser.add_option( + "", "--rx-freq", dest="rx_freq", type="eng_float", default=eng_notation.num_to_str(100e6), + help="Set rx_freq [default=%default]") + parser.add_option( + "", "--rx-sdr-device", dest="rx_sdr_device", type="string", default='usrpb200', + help="Set rx_sdr_device [default=%default]") + parser.add_option( + "", "--waterfall-file-path", dest="waterfall_file_path", type="string", default='/tmp/waterfall.dat', + help="Set waterfall_file_path [default=%default]") + return parser + + +def main(top_block_cls=satnogs_sstv_pd120_demod, options=None): + if options is None: + options, _ = argument_parser().parse_args() + + tb = top_block_cls(antenna=options.antenna, bb_gain=options.bb_gain, decoded_data_file_path=options.decoded_data_file_path, dev_args=options.dev_args, doppler_correction_per_sec=options.doppler_correction_per_sec, enable_iq_dump=options.enable_iq_dump, file_path=options.file_path, if_gain=options.if_gain, iq_file_path=options.iq_file_path, lo_offset=options.lo_offset, ppm=options.ppm, rf_gain=options.rf_gain, rigctl_port=options.rigctl_port, rx_freq=options.rx_freq, rx_sdr_device=options.rx_sdr_device, waterfall_file_path=options.waterfall_file_path) + tb.start() + tb.wait() + + +if __name__ == '__main__': + main() diff --git a/apps/flowgraphs/sstv_pd120_demod.grc b/apps/flowgraphs/sstv_pd120_demod.grc new file mode 100644 index 0000000..27e5998 --- /dev/null +++ b/apps/flowgraphs/sstv_pd120_demod.grc @@ -0,0 +1,3319 @@ + + + + Thu May 5 00:22:45 2016 + + options + + author + Sebastian Schumb (sebastian@sebastains-site.de) + + + window_size + 3000, 3000 + + + category + Custom + + + comment + + + + description + A PD120 SSTV demodulator + + + _enabled + True + + + _coordinate + (8, 8) + + + _rotation + 0 + + + generate_options + no_gui + + + hier_block_src_path + .: + + + id + satnogs_sstv_pd120_demod + + + max_nouts + 0 + + + qt_qss_theme + + + + realtime_scheduling + + + + run_command + {python} -u {filename} + + + run_options + run + + + run + True + + + sizing_mode + fixed + + + thread_safe_setters + + + + title + SSTV PD120 Demodulation + + + placement + (0,0) + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (606, 785) + + + _rotation + 0 + + + id + audio_samp_rate + + + value + 48000 + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (223, 793) + + + _rotation + 0 + + + id + deviation + + + value + 5000 + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (741, 785) + + + _rotation + 0 + + + id + filter_rate + + + value + 250000 + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (318, 793) + + + _rotation + 0 + + + id + max_modulation_freq + + + value + 3000 + + + + variable + + comment + SDR device +TX sampling rate + + + _enabled + True + + + _coordinate + (478, 745) + + + _rotation + 0 + + + id + samp_rate_rx + + + value + satnogs.hw_rx_settings[rx_sdr_device]['samp_rate'] + + + + variable_low_pass_filter_taps + + beta + 6.76 + + + comment + + + + cutoff_freq + 100e3 + + + _enabled + 1 + + + _coordinate + (48, 716) + + + _rotation + 0 + + + gain + 12.0 + + + id + taps + + + samp_rate + samp_rate_rx + + + width + 60000 + + + win + firdes.WIN_HAMMING + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (837, 785) + + + _rotation + 0 + + + id + xlate_filter_taps + + + value + firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76) + + + + analog_nbfm_rx + + audio_rate + 12000 + + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + _coordinate + (964, 562) + + + _rotation + 180 + + + id + analog_nbfm_rx_0 + + + max_dev + 600 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + quad_rate + 12000 + + + tau + 75e-6 + + + + analog_quadrature_demod_cf + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + _coordinate + (1204, 474) + + + _rotation + 180 + + + gain + (2*math.pi*deviation)/audio_samp_rate + + + id + analog_quadrature_demod_cf_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (422, 945) + + + _rotation + 0 + + + id + antenna + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + satnogs.not_set_antenna + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (334, 945) + + + _rotation + 0 + + + id + bb_gain + + + label + + + + short_id + + + + hide + none + + + type + eng_float + + + value + satnogs.not_set_rx_bb_gain + + + + rational_resampler_xxx + + alias + + + + comment + + + + affinity + + + + decim + 125 + + + _enabled + True + + + fbw + 0 + + + _coordinate + (837, 267) + + + _rotation + 0 + + + id + blks2_rational_resampler_xxx_1 + + + interp + 24 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + taps + [] + + + type + ccc + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (741, 945) + + + _rotation + 0 + + + id + decoded_data_file_path + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + /tmp/.satnogs/data/data + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (47, 945) + + + _rotation + 0 + + + id + dev_args + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + satnogs.not_set_dev_args + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (47, 865) + + + _rotation + 0 + + + id + doppler_correction_per_sec + + + label + + + + short_id + + + + hide + none + + + type + intx + + + value + 20 + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (510, 945) + + + _rotation + 0 + + + id + enable_iq_dump + + + label + + + + short_id + + + + hide + none + + + type + intx + + + value + 0 + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (534, 865) + + + _rotation + 180 + + + id + file_path + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + test.ogg + + + + freq_xlating_fir_filter_xxx + + alias + + + + center_freq + lo_offset + + + comment + + + + affinity + + + + decim + int(samp_rate_rx/filter_rate) + + + _enabled + 1 + + + _coordinate + (566, 267) + + + _rotation + 0 + + + id + freq_xlating_fir_filter_xxx_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + samp_rate + samp_rate_rx + + + taps + xlate_filter_taps + + + type + ccc + + + + freq_xlating_fir_filter_xxx + + alias + + + + center_freq + 1750 + + + comment + + + + affinity + + + + decim + 4 + + + _enabled + True + + + _coordinate + (1164, 562) + + + _rotation + 180 + + + id + freq_xlating_fir_filter_xxx_0_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + samp_rate + audio_samp_rate + + + taps + 63 + + + type + ccc + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (247, 945) + + + _rotation + 0 + + + id + if_gain + + + label + + + + short_id + + + + hide + none + + + type + eng_float + + + value + satnogs.not_set_rx_if_gain + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (630, 945) + + + _rotation + 0 + + + id + iq_file_path + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + /tmp/iq.dat + + + + parameter + + alias + + + + comment + To avoid the SDR carrier at the DC +we shift the LO a little further + + + _enabled + True + + + _coordinate + (909, 865) + + + _rotation + 0 + + + id + lo_offset + + + label + + + + short_id + + + + hide + none + + + type + eng_float + + + value + 100e3 + + + + low_pass_filter + + beta + 6.76 + + + alias + + + + comment + Using the Carson bandwidth rule for filter width: +width = 2*(deviation + max_modulation_freq). +For the majority of FM transmissions we can expect +max_modulation_freq = 3000 + + + affinity + + + + cutoff_freq + deviation+max_modulation_freq + + + decim + 1 + + + _enabled + True + + + type + fir_filter_ccf + + + _coordinate + (1060, 243) + + + _rotation + 0 + + + gain + 1 + + + id + low_pass_filter_0 + + + interp + 1 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + samp_rate + audio_samp_rate + + + width + 3000 + + + win + firdes.WIN_HAMMING + + + + low_pass_filter + + beta + 6.76 + + + alias + + + + comment + + + + affinity + + + + cutoff_freq + 1500 + + + decim + 1 + + + _enabled + True + + + type + fir_filter_fff + + + _coordinate + (781, 538) + + + _rotation + 180 + + + gain + 1 + + + id + low_pass_filter_0_0 + + + interp + 1 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + samp_rate + 12000 + + + width + 1000 + + + win + firdes.WIN_HAMMING + + + + osmosdr_source + + alias + + + + ant0 + satnogs.handle_rx_antenna(rx_sdr_device, antenna) + + + bb_gain0 + satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain) + + + bw0 + samp_rate_rx + + + dc_offset_mode0 + 2 + + + corr0 + ppm + + + freq0 + rx_freq - lo_offset + + + gain_mode0 + False + + + if_gain0 + satnogs.handle_rx_if_gain(rx_sdr_device, if_gain) + + + iq_balance_mode0 + 0 + + + gain0 + satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain) + + + ant10 + + + + bb_gain10 + 20 + + + bw10 + 0 + + + dc_offset_mode10 + 0 + + + corr10 + 0 + + + freq10 + 100e6 + + + gain_mode10 + False + + + if_gain10 + 20 + + + iq_balance_mode10 + 0 + + + gain10 + 10 + + + ant11 + + + + bb_gain11 + 20 + + + bw11 + 0 + + + dc_offset_mode11 + 0 + + + corr11 + 0 + + + freq11 + 100e6 + + + gain_mode11 + False + + + if_gain11 + 20 + + + iq_balance_mode11 + 0 + + + gain11 + 10 + + + ant12 + + + + bb_gain12 + 20 + + + bw12 + 0 + + + dc_offset_mode12 + 0 + + + corr12 + 0 + + + freq12 + 100e6 + + + gain_mode12 + False + + + if_gain12 + 20 + + + iq_balance_mode12 + 0 + + + gain12 + 10 + + + ant13 + + + + bb_gain13 + 20 + + + bw13 + 0 + + + dc_offset_mode13 + 0 + + + corr13 + 0 + + + freq13 + 100e6 + + + gain_mode13 + False + + + if_gain13 + 20 + + + iq_balance_mode13 + 0 + + + gain13 + 10 + + + ant14 + + + + bb_gain14 + 20 + + + bw14 + 0 + + + dc_offset_mode14 + 0 + + + corr14 + 0 + + + freq14 + 100e6 + + + gain_mode14 + False + + + if_gain14 + 20 + + + iq_balance_mode14 + 0 + + + gain14 + 10 + + + ant15 + + 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False + + + if_gain23 + 20 + + + iq_balance_mode23 + 0 + + + gain23 + 10 + + + ant24 + + + + bb_gain24 + 20 + + + bw24 + 0 + + + dc_offset_mode24 + 0 + + + corr24 + 0 + + + freq24 + 100e6 + + + gain_mode24 + False + + + if_gain24 + 20 + + + iq_balance_mode24 + 0 + + + gain24 + 10 + + + ant25 + + + + bb_gain25 + 20 + + + bw25 + 0 + + + dc_offset_mode25 + 0 + + + corr25 + 0 + + + freq25 + 100e6 + + + gain_mode25 + False + + + if_gain25 + 20 + + + iq_balance_mode25 + 0 + + + gain25 + 10 + + + ant26 + + + + bb_gain26 + 20 + + + bw26 + 0 + + + dc_offset_mode26 + 0 + + + corr26 + 0 + + + freq26 + 100e6 + + + gain_mode26 + False + + + if_gain26 + 20 + + + iq_balance_mode26 + 0 + + + gain26 + 10 + + + ant27 + + + + bb_gain27 + 20 + + + bw27 + 0 + + + dc_offset_mode27 + 0 + + + corr27 + 0 + + + freq27 + 100e6 + + + gain_mode27 + False + + + if_gain27 + 20 + + + iq_balance_mode27 + 0 + + + gain27 + 10 + + + ant28 + + + + bb_gain28 + 20 + + + bw28 + 0 + + + dc_offset_mode28 + 0 + + + corr28 + 0 + 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dc_offset_mode3 + 0 + + + corr3 + 0 + + + freq3 + 100e6 + + + gain_mode3 + False + + + if_gain3 + 20 + + + iq_balance_mode3 + 0 + + + gain3 + 10 + + + ant4 + + + + bb_gain4 + 20 + + + bw4 + 0 + + + dc_offset_mode4 + 0 + + + corr4 + 0 + + + freq4 + 100e6 + + + gain_mode4 + False + + + if_gain4 + 20 + + + iq_balance_mode4 + 0 + + + gain4 + 10 + + + ant5 + + + + bb_gain5 + 20 + + + bw5 + 0 + + + dc_offset_mode5 + 0 + + + corr5 + 0 + + + freq5 + 100e6 + + + gain_mode5 + False + + + if_gain5 + 20 + + + iq_balance_mode5 + 0 + + + gain5 + 10 + + + ant6 + + + + bb_gain6 + 20 + + + bw6 + 0 + + + dc_offset_mode6 + 0 + + + corr6 + 0 + + + freq6 + 100e6 + + + gain_mode6 + False + + + if_gain6 + 20 + + + iq_balance_mode6 + 0 + + + gain6 + 10 + + + ant7 + + + + bb_gain7 + 20 + + + bw7 + 0 + + + dc_offset_mode7 + 0 + + + corr7 + 0 + + + freq7 + 100e6 + + + gain_mode7 + False + + + if_gain7 + 20 + + + iq_balance_mode7 + 0 + + + gain7 + 10 + + + ant8 + + + + bb_gain8 + 20 + + + bw8 + 0 + + + dc_offset_mode8 + 0 + + + corr8 + 0 + + + freq8 + 100e6 + + + gain_mode8 + False + + + if_gain8 + 20 + + + iq_balance_mode8 + 0 + + + gain8 + 10 + + + ant9 + + + + bb_gain9 + 20 + + + bw9 + 0 + + + dc_offset_mode9 + 0 + + + corr9 + 0 + + + freq9 + 100e6 + + + gain_mode9 + False + + + if_gain9 + 20 + + + iq_balance_mode9 + 0 + + + gain9 + 10 + + + comment + + + + affinity + + + + args + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) + + + _enabled + 1 + + + _coordinate + (16, 376) + + + _rotation + 0 + + + id + osmosdr_source_0 + + + maxoutbuf + 0 + + + clock_source0 + + + + time_source0 + + + + clock_source1 + + + + time_source1 + + + + clock_source2 + + + + time_source2 + + + + clock_source3 + + + + time_source3 + + + + clock_source4 + + + + time_source4 + + + + clock_source5 + + + + time_source5 + + + + clock_source6 + + + + time_source6 + + + + clock_source7 + + + + time_source7 + + + + minoutbuf + 0 + + + nchan + 1 + + + num_mboards + 1 + + + type + fc32 + + + sample_rate + samp_rate_rx + + + sync + + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (805, 865) + + + _rotation + 0 + + + id + ppm + + + label + + + + short_id + + + + hide + none + + + type + intx + + + value + 0 + + + + rational_resampler_xxx + + alias + + + + comment + + + + affinity + + + + decim + 12000 + + + _enabled + True + + + fbw + 0 + + + _coordinate + (590, 562) + + + _rotation + 180 + + + id + rational_resampler_xxx_0 + + + interp + 5263 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + taps + + + + type + fff + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (151, 945) + + + _rotation + 0 + + + id + rf_gain + + + label + + + + short_id + + + + hide + none + + + type + eng_float + + + value + satnogs.not_set_rx_rf_gain + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (334, 865) + + + _rotation + 0 + + + id + rigctl_port + + + label + + + + short_id + + + + hide + none + + + type + intx + + + value + 4532 + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (438, 865) + + + _rotation + 0 + + + id + rx_freq + + + label + + + + short_id + + + + hide + none + + + type + eng_float + + + value + 100e6 + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (215, 865) + + + _rotation + 0 + + + id + rx_sdr_device + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + usrpb200 + + + + satnogs_coarse_doppler_correction_cc + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + _coordinate + (318, 263) + + + _rotation + 0 + + + id + satnogs_coarse_doppler_correction_cc_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + sampling_rate + samp_rate_rx + + + target_freq + rx_freq + + + + satnogs_iq_sink + + append + False + + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + filename + iq_file_path + + + _coordinate + (1060, 155) + + + _rotation + 0 + + + id + satnogs_iq_sink_0 + + + scale + 32767 + + + status + enable_iq_dump + + + + satnogs_ogg_encoder + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + filename + file_path + + + _coordinate + (1004, 458) + + + _rotation + 180 + + + id + satnogs_ogg_encoder_0 + + + quality + 1.0 + + + samp_rate + audio_samp_rate + + + + satnogs_sstv_pd120_sink + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + _coordinate + (342, 586) + + + _rotation + 180 + + + id + satnogs_sstv_pd120_sink_0 + + + filename_png + decoded_data_file_path + + + + satnogs_tcp_rigctl_msg_source + + alias + + + + comment + + + + affinity + + + + _enabled + 1 + + + _coordinate + (16, 204) + + + _rotation + 0 + + + id + satnogs_tcp_rigctl_msg_source_0 + + + addr + "127.0.0.1" + + + mtu + 1500 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + mode + False + + + port + rigctl_port + + + interval + 1000/doppler_correction_per_sec + + + + satnogs_waterfall_sink + + alias + + + + center_freq + 0.0 + + + comment + + + + affinity + + + + _enabled + True + + + fft_size + 1024 + + + filename + waterfall_file_path + + + _coordinate + (1060, 3) + + + _rotation + 0 + + + id + satnogs_waterfall_sink_0 + + + mode + 1 + + + pps + 10 + + + samp_rate + audio_samp_rate + + + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (645, 865) + + + _rotation + 0 + + + id + waterfall_file_path + + + label + + + + short_id + + + + hide + none + + + type + string + + + value + /tmp/waterfall.dat + + + + analog_nbfm_rx_0 + low_pass_filter_0_0 + 0 + 0 + + + analog_quadrature_demod_cf_0 + satnogs_ogg_encoder_0 + 0 + 0 + + + blks2_rational_resampler_xxx_1 + low_pass_filter_0 + 0 + 0 + + + blks2_rational_resampler_xxx_1 + satnogs_iq_sink_0 + 0 + 0 + + + blks2_rational_resampler_xxx_1 + satnogs_waterfall_sink_0 + 0 + 0 + + + freq_xlating_fir_filter_xxx_0 + blks2_rational_resampler_xxx_1 + 0 + 0 + + + freq_xlating_fir_filter_xxx_0_0 + analog_nbfm_rx_0 + 0 + 0 + + + low_pass_filter_0 + analog_quadrature_demod_cf_0 + 0 + 0 + + + low_pass_filter_0 + freq_xlating_fir_filter_xxx_0_0 + 0 + 0 + + + low_pass_filter_0_0 + rational_resampler_xxx_0 + 0 + 0 + + + osmosdr_source_0 + satnogs_coarse_doppler_correction_cc_0 + 0 + 0 + + + rational_resampler_xxx_0 + satnogs_sstv_pd120_sink_0 + 0 + 0 + + + satnogs_coarse_doppler_correction_cc_0 + freq_xlating_fir_filter_xxx_0 + 0 + 0 + + + satnogs_tcp_rigctl_msg_source_0 + satnogs_coarse_doppler_correction_cc_0 + freq + freq + +