; Default configuration file ; You can define your own receiver and invoke it by doing ; gnss-sdr --config_file=my_GNSS_SDR_configuration.conf ; [GNSS-SDR] ;######### GLOBAL OPTIONS ################## ;internal_fs_hz: Internal signal sampling frequency after the signal conditioning stage [Hz]. GNSS-SDR.internal_fs_hz=2500000 ;######### CONTROL_THREAD CONFIG ############ ControlThread.wait_for_flowgraph=false ;######### SUPL RRLP GPS assistance configuration ##### GNSS-SDR.SUPL_gps_enabled=false GNSS-SDR.SUPL_read_gps_assistance_xml=true GNSS-SDR.SUPL_gps_ephemeris_server=supl.nokia.com GNSS-SDR.SUPL_gps_ephemeris_port=7275 GNSS-SDR.SUPL_gps_acquisition_server=supl.google.com GNSS-SDR.SUPL_gps_acquisition_port=7275 GNSS-SDR.SUPL_MCC=244 GNSS-SDR.SUPL_MNS=5 GNSS-SDR.SUPL_LAC=0x59e2 GNSS-SDR.SUPL_CI=0x31b0 ;######### SIGNAL_SOURCE CONFIG ############ ;#implementation: Use [File_Signal_Source] or [UHD_Signal_Source] or [GN3S_Signal_Source] (experimental) SignalSource.implementation=Flexiband_Signal_Source SignalSource.flag_read_file=true SignalSource.signal_file=/datalogger/L125_III1b_210s.usb #SignalSource.signal_file=/datalogger/captures/flexiband_III_1b_cap1.usb ;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version. SignalSource.item_type=gr_complex ;# FPGA firmware file SignalSource.firmware_file=flexiband_III-1b.bit ;#RF_channels: Number of RF channels present in the frontend device, must agree the FPGA firmware file SignalSource.RF_channels=2 ;#frontend channels gain. Not usable yet! SignalSource.gain1=0 SignalSource.gain2=0 SignalSource.gain3=0 ;#frontend channels AGC SignalSource.AGC=true ;# USB 3.0 packet buffer size (number of SuperSpeed packets) SignalSource.usb_packet_buffer=128 ;###################################################### ;######### RF CHANNEL 0 SIGNAL CONDITIONER ############ ;###################################################### ;######### SIGNAL_CONDITIONER 0 CONFIG ############ ;## It holds blocks to change data type, filter and resample input data. SignalConditioner0.implementation=Signal_Conditioner ;######### DATA_TYPE_ADAPTER 0 CONFIG ############ DataTypeAdapter0.implementation=Pass_Through DataTypeAdapter0.item_type=gr_complex ;######### INPUT_FILTER 0 CONFIG ############ ;## Filter the input data. Can be combined with frequency translation for IF signals ;#implementation: Use [Pass_Through] or [Fir_Filter] or [Freq_Xlating_Fir_Filter] ;#[Pass_Through] disables this block ;#[Fir_Filter] enables a FIR Filter ;#[Freq_Xlating_Fir_Filter] enables FIR filter and a composite frequency translation that shifts IF down to zero Hz. InputFilter0.implementation=Freq_Xlating_Fir_Filter ;#dump: Dump the filtered data to a file. InputFilter0.dump=false ;#dump_filename: Log path and filename. InputFilter0.dump_filename=../data/input_filter.dat ;#The following options are used in the filter design of Fir_Filter and Freq_Xlating_Fir_Filter implementation. ;#These options are based on parameters of gnuradio's function: gr_remez. ;#These function calculates the optimal (in the Chebyshev/minimax sense) FIR filter inpulse reponse given a set of band edges, ;#the desired reponse on those bands, and the weight given to the error in those bands. ;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version. InputFilter0.input_item_type=gr_complex ;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version. InputFilter0.output_item_type=gr_complex ;#taps_item_type: Type and resolution for the taps of the filter. Use only float in this version. InputFilter0.taps_item_type=float ;#number_of_taps: Number of taps in the filter. Increasing this parameter increases the processing time InputFilter0.number_of_taps=5 ;#number_of _bands: Number of frequency bands in the filter. InputFilter0.number_of_bands=2 ;#bands: frequency at the band edges [ b1 e1 b2 e2 b3 e3 ...]. ;#Frequency is in the range [0, 1], with 1 being the Nyquist frequency (Fs/2) ;#The number of band_begin and band_end elements must match the number of bands InputFilter0.band1_begin=0.0 InputFilter0.band1_end=0.45 InputFilter0.band2_begin=0.55 InputFilter0.band2_end=1.0 ;#ampl: desired amplitude at the band edges [ a(b1) a(e1) a(b2) a(e2) ...]. ;#The number of ampl_begin and ampl_end elements must match the number of bands InputFilter0.ampl1_begin=1.0 InputFilter0.ampl1_end=1.0 InputFilter0.ampl2_begin=0.0 InputFilter0.ampl2_end=0.0 ;#band_error: weighting applied to each band (usually 1). ;#The number of band_error elements must match the number of bands InputFilter0.band1_error=1.0 InputFilter0.band2_error=1.0 ;#filter_type: one of "bandpass", "hilbert" or "differentiator" InputFilter0.filter_type=bandpass ;#grid_density: determines how accurately the filter will be constructed. ;The minimum value is 16; higher values are slower to compute the filter. InputFilter0.grid_density=16 ;#The following options are used only in Freq_Xlating_Fir_Filter implementation. ;#InputFilter0.IF is the intermediate frequency (in Hz) shifted down to zero Hz ;FOR USE GNSS-SDR WITH RTLSDR DONGLES USER MUST SET THE CALIBRATED SAMPLE RATE HERE ; i.e. using front-end-cal as reported here:http://www.cttc.es/publication/turning-a-television-into-a-gnss-receiver/ InputFilter0.sampling_frequency=20000000 ;# IF deviation due to front-end LO inaccuracies [HZ] ;# WARNING: Fraunhofer front-end hardwareconfigurations can difer. Signals available on http://www.iis.fraunhofer.de/de/ff/lok/leist/test/flexiband.html are centered on 0 Hz, ALL BANDS. ;#InputFilter0.IF=-205000 InputFilter0.IF=0 ;# Decimation factor after the frequency tranaslating block InputFilter0.decimation_factor=8 ;######### RESAMPLER CONFIG 0 ############ ;## Resamples the input data. Resampler0.implementation=Pass_Through ;###################################################### ;######### RF CHANNEL 1 SIGNAL CONDITIONER ############ ;###################################################### ;######### SIGNAL_CONDITIONER 1 CONFIG ############ ;## It holds blocks to change data type, filter and resample input data. SignalConditioner1.implementation=Signal_Conditioner ;######### DATA_TYPE_ADAPTER 1 CONFIG ############ DataTypeAdapter1.implementation=Pass_Through DataTypeAdapter1.item_type=gr_complex ;######### INPUT_FILTER 0 CONFIG ############ ;## Filter the input data. Can be combined with frequency translation for IF signals ;#implementation: Use [Pass_Through] or [Fir_Filter] or [Freq_Xlating_Fir_Filter] ;#[Pass_Through] disables this block ;#[Fir_Filter] enables a FIR Filter ;#[Freq_Xlating_Fir_Filter] enables FIR filter and a composite frequency translation that shifts IF down to zero Hz. InputFilter1.implementation=Freq_Xlating_Fir_Filter ;#dump: Dump the filtered data to a file. InputFilter1.dump=false ;#dump_filename: Log path and filename. InputFilter1.dump_filename=../data/input_filter_ch1.dat ;#The following options are used in the filter design of Fir_Filter and Freq_Xlating_Fir_Filter implementation. ;#These options are based on parameters of gnuradio's function: gr_remez. ;#These function calculates the optimal (in the Chebyshev/minimax sense) FIR filter inpulse reponse given a set of band edges, ;#the desired reponse on those bands, and the weight given to the error in those bands. ;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version. InputFilter1.input_item_type=gr_complex ;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version. InputFilter1.output_item_type=gr_complex ;#taps_item_type: Type and resolution for the taps of the filter. Use only float in this version. InputFilter1.taps_item_type=float ;#number_of_taps: Number of taps in the filter. Increasing this parameter increases the processing time InputFilter1.number_of_taps=5 ;#number_of _bands: Number of frequency bands in the filter. InputFilter1.number_of_bands=2 ;#bands: frequency at the band edges [ b1 e1 b2 e2 b3 e3 ...]. ;#Frequency is in the range [0, 1], with 1 being the Nyquist frequency (Fs/2) ;#The number of band_begin and band_end elements must match the number of bands InputFilter1.band1_begin=0.0 InputFilter1.band1_end=0.45 InputFilter1.band2_begin=0.55 InputFilter1.band2_end=1.0 ;#ampl: desired amplitude at the band edges [ a(b1) a(e1) a(b2) a(e2) ...]. ;#The number of ampl_begin and ampl_end elements must match the number of bands InputFilter1.ampl1_begin=1.0 InputFilter1.ampl1_end=1.0 InputFilter1.ampl2_begin=0.0 InputFilter1.ampl2_end=0.0 ;#band_error: weighting applied to each band (usually 1). ;#The number of band_error elements must match the number of bands InputFilter1.band1_error=1.0 InputFilter1.band2_error=1.0 ;#filter_type: one of "bandpass", "hilbert" or "differentiator" InputFilter1.filter_type=bandpass ;#grid_density: determines how accurately the filter will be constructed. ;The minimum value is 16; higher values are slower to compute the filter. InputFilter1.grid_density=16 ;#The following options are used only in Freq_Xlating_Fir_Filter implementation. ;#InputFilter0.IF is the intermediate frequency (in Hz) shifted down to zero Hz ;FOR USE GNSS-SDR WITH RTLSDR DONGLES USER MUST SET THE CALIBRATED SAMPLE RATE HERE ; i.e. using front-end-cal as reported here:http://www.cttc.es/publication/turning-a-television-into-a-gnss-receiver/ InputFilter1.sampling_frequency=20000000 ;# IF deviation due to front-end LO inaccuracies [HZ] ;# WARNING: Fraunhofer front-end hardwareconfigurations can difer. Signals available on http://www.iis.fraunhofer.de/de/ff/lok/leist/test/flexiband.html are centered on 0 Hz, ALL BANDS. ;#InputFilter1.IF=100000 InputFilter1.IF=0 ;# Decimation factor after the frequency tranaslating block InputFilter1.decimation_factor=8 ;######### RESAMPLER CONFIG 1 ############ ;## Resamples the input data. Resampler1.implementation=Pass_Through ;######### SIGNAL_CONDITIONER 2 CONFIG ############ ;## It holds blocks to change data type, filter and resample input data. SignalConditioner2.implementation=Pass_Through ;######### DATA_TYPE_ADAPTER 2 CONFIG ############ DataTypeAdapter2.implementation=Pass_Through DataTypeAdapter2.item_type=gr_complex ;######### INPUT_FILTER 2 CONFIG ############ InputFilter2.implementation=Pass_Through ;#dump: Dump the filtered data to a file. InputFilter2.dump=false ;#dump_filename: Log path and filename. InputFilter2.dump_filename=../data/input_filter.dat ;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version. InputFilter2.input_item_type=gr_complex ;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version. InputFilter2.output_item_type=gr_complex ;######### RESAMPLER CONFIG 2 ############ ;## Resamples the input data. Resampler2.implementation=Pass_Through ;######### CHANNELS GLOBAL CONFIG ############ ;#count: Number of available GPS satellite channels. Channels_1C.count=8 Channels_1B.count=1 Channels_2S.count=1 ;#count: Number of available Galileo satellite channels. ;Channels_Galileo.count=0 ;#in_acquisition: Number of channels simultaneously acquiring for the whole receiver Channels.in_acquisition=1 ;#signal: ;# "1C" GPS L1 C/A ;# "2S" GPS L2 L2C (M) ;# "1B" GALILEO E1 B (I/NAV OS/CS/SoL) ;# "5X" GALILEO E5a I+Q ;# CHANNEL CONNECTION Channel0.RF_channel_ID=0 Channel0.signal=1C Channel1.RF_channel_ID=0 Channel1.signal=1C Channel2.RF_channel_ID=0 Channel2.signal=1C Channel3.RF_channel_ID=0 Channel3.signal=1C Channel4.RF_channel_ID=0 Channel4.signal=1C Channel5.RF_channel_ID=0 Channel5.signal=1C Channel6.RF_channel_ID=0 Channel6.signal=1C Channel7.RF_channel_ID=0 Channel7.signal=1C Channel8.RF_channel_ID=0 Channel8.signal=1B Channel9.RF_channel_ID=1 Channel9.signal=2S Channel10.RF_channel_ID=1 Channel10.signal=2S Channel11.RF_channel_ID=1 Channel11.signal=2S Channel12.RF_channel_ID=1 Channel12.signal=2S Channel13.RF_channel_ID=1 Channel13.signal=2S Channel14.RF_channel_ID=1 Channel14.signal=2S Channel15.RF_channel_ID=1 Channel15.signal=2S Channel16.RF_channel_ID=1 Channel16.signal=2S ;######### SPECIFIC CHANNELS CONFIG ###### ;#The following options are specific to each channel and overwrite the generic options ;######### ACQUISITION GLOBAL CONFIG ############ ;#dump: Enable or disable the acquisition internal data file logging [true] or [false] Acquisition_1C.dump=false ;#filename: Log path and filename Acquisition_1C.dump_filename=./acq_dump.dat ;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version. Acquisition_1C.item_type=gr_complex ;#if: Signal intermediate frequency in [Hz] Acquisition_1C.if=0 ;#sampled_ms: Signal block duration for the acquisition signal detection [ms] Acquisition_1C.coherent_integration_time_ms=1 ;#implementation: Acquisition algorithm selection for this channel: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition] Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition ;#threshold: Acquisition threshold. It will be ignored if pfa is defined. Acquisition_1C.threshold=0.008 ;#pfa: Acquisition false alarm probability. This option overrides the threshold option. Only use with implementations: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition] ;Acquisition_1C.pfa=0.0001 ;#doppler_max: Maximum expected Doppler shift [Hz] Acquisition_1C.doppler_max=5000 ;#doppler_max: Doppler step in the grid search [Hz] Acquisition_1C.doppler_step=250 ;#bit_transition_flag: Enable or disable a strategy to deal with bit transitions in GPS signals: process two dwells and take ;#maximum test statistics. Only use with implementation: [GPS_L1_CA_PCPS_Acquisition] ;#(should not be used for Galileo_E1_PCPS_Ambiguous_Acquisition]) Acquisition_1C.bit_transition_flag=false ;#max_dwells: Maximum number of consecutive dwells to be processed. It will be ignored if bit_transition_flag=true Acquisition_1C.max_dwells=1 ;######### ACQUISITION CHANNELS CONFIG ###### ;#The following options are specific to each channel and overwrite the generic options ;######### TRACKING GLOBAL CONFIG ############ ;#implementation: Selected tracking algorithm: [GPS_L1_CA_DLL_PLL_Tracking] or [GPS_L1_CA_DLL_FLL_PLL_Tracking] Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_Tracking_GPU Tracking_1C.item_type=gr_complex Tracking_1C.if=0 Tracking_1C.dump=false Tracking_1C.dump_filename=../data/epl_tracking_ch_ Tracking_1C.pll_bw_hz=40.0; Tracking_1C.dll_bw_hz=1.5; Tracking_1C.fll_bw_hz=10.0; Tracking_1C.order=3; Tracking_1C.early_late_space_chips=0.5; ;# GPS L2C M Acquisition_2S.dump=false Acquisition_2S.dump_filename=./acq_dump.dat Acquisition_2S.item_type=gr_complex Acquisition_2S.if=0 Acquisition_2S.implementation=GPS_L2_M_PCPS_Acquisition Acquisition_2S.threshold=0.0005 ;Acquisition_2S.pfa=0.001 Acquisition_2S.doppler_max=5000 Acquisition_2S.doppler_min=-5000 Acquisition_2S.doppler_step=30 Acquisition_2S.max_dwells=1 Tracking_2S.implementation=GPS_L2_M_DLL_PLL_Tracking Tracking_2S.item_type=gr_complex Tracking_2S.if=0 Tracking_2S.dump=false Tracking_2S.dump_filename=./tracking_ch_ Tracking_2S.pll_bw_hz=1.5; Tracking_2S.dll_bw_hz=0.3; Tracking_2S.fll_bw_hz=2.0; Tracking_2S.order=3; Tracking_2S.early_late_space_chips=0.5; ;# GALILEO E1B ;#dump: Enable or disable the acquisition internal data file logging [true] or [false] Acquisition_1B.dump=false ;#filename: Log path and filename Acquisition_1B.dump_filename=./acq_dump.dat ;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version. Acquisition_1B.item_type=gr_complex ;#if: Signal intermediate frequency in [Hz] Acquisition_1B.if=0 ;#sampled_ms: Signal block duration for the acquisition signal detection [ms] Acquisition_1B.sampled_ms=4 ;#implementation: Acquisition algorithm selection for this channel: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition] Acquisition_1B.implementation=Galileo_E1_PCPS_Ambiguous_Acquisition ;#threshold: Acquisition threshold ;Acquisition_1B.threshold=0 ;#pfa: Acquisition false alarm probability. This option overrides the threshold option. Only use with implementations: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition] Acquisition_1B.pfa=0.0000005 ;#doppler_max: Maximum expected Doppler shift [Hz] Acquisition_1B.doppler_max=5000 ;#doppler_max: Doppler step in the grid search [Hz] Acquisition_1B.doppler_step=125 ;#implementation: Selected tracking algorithm: [GPS_L1_CA_DLL_PLL_Tracking] or [GPS_L1_CA_DLL_FLL_PLL_Tracking] or [GPS_L1_CA_TCP_CONNECTOR_Tracking] or [Galileo_E1_DLL_PLL_VEML_Tracking] Tracking_1B.implementation=Galileo_E1_DLL_PLL_VEML_Tracking ;#item_type: Type and resolution for each of the signal samples. Use only [gr_complex] in this version. Tracking_1B.item_type=gr_complex ;#sampling_frequency: Signal Intermediate Frequency in [Hz] Tracking_1B.if=0 ;#dump: Enable or disable the Tracking internal binary data file logging [true] or [false] Tracking_1B.dump=false ;#dump_filename: Log path and filename. Notice that the tracking channel will add "x.dat" where x is the channel number. Tracking_1B.dump_filename=./veml_tracking_ch_ ;#pll_bw_hz: PLL loop filter bandwidth [Hz] Tracking_1B.pll_bw_hz=15.0; ;#dll_bw_hz: DLL loop filter bandwidth [Hz] Tracking_1B.dll_bw_hz=2.0; ;#fll_bw_hz: FLL loop filter bandwidth [Hz] Tracking_1B.fll_bw_hz=10.0; ;#order: PLL/DLL loop filter order [2] or [3] Tracking_1B.order=3; ;#early_late_space_chips: correlator early-late space [chips]. Use [0.5] for GPS and [0.15] for Galileo Tracking_1B.early_late_space_chips=0.15; ;#very_early_late_space_chips: only for [Galileo_E1_DLL_PLL_VEML_Tracking], correlator very early-late space [chips]. Use [0.6] Tracking_1B.very_early_late_space_chips=0.6; ;######### TELEMETRY DECODER GPS L1 CONFIG ############ ;#implementation: Use [GPS_L1_CA_Telemetry_Decoder] for GPS L1 C/A TelemetryDecoder_1C.implementation=GPS_L1_CA_Telemetry_Decoder TelemetryDecoder_1C.dump=false TelemetryDecoder_1C.decimation_factor=20; ;######### TELEMETRY DECODER GPS L2 CONFIG ############ ;#implementation: Use [GPS_L1_CA_Telemetry_Decoder] for GPS L2 M TelemetryDecoder_2S.implementation=GPS_L2_M_Telemetry_Decoder TelemetryDecoder_2S.dump=false TelemetryDecoder_2S.decimation_factor=1; ;######### TELEMETRY DECODER GALILEO E1B CONFIG ############ ;#implementation: Use [Galileo_E1B_Telemetry_Decoder] for Galileo E1B TelemetryDecoder_1B.implementation=Galileo_E1B_Telemetry_Decoder TelemetryDecoder_1B.dump=false TelemetryDecoder_1B.decimation_factor=5; ;######### OBSERVABLES CONFIG ############ ;#implementation: Use [GPS_L1_CA_Observables] for GPS L1 C/A. Observables.implementation=Mixed_Observables ;#dump: Enable or disable the Observables internal binary data file logging [true] or [false] Observables.dump=false ;#dump_filename: Log path and filename. Observables.dump_filename=./observables.dat ;######### PVT CONFIG ############ ;#implementation: Position Velocity and Time (PVT) implementation algorithm: Use [GPS_L1_CA_PVT] in this version. PVT.implementation=GPS_L1_CA_PVT ;#averaging_depth: Number of PVT observations in the moving average algorithm PVT.averaging_depth=10 ;#flag_average: Enables the PVT averaging between output intervals (arithmetic mean) [true] or [false] PVT.flag_averaging=true ;#output_rate_ms: Period between two PVT outputs. Notice that the minimum period is equal to the tracking integration time (for GPS CA L1 is 1ms) [ms] PVT.output_rate_ms=100 ;#display_rate_ms: Position console print (std::out) interval [ms]. Notice that output_rate_ms<=display_rate_ms. PVT.display_rate_ms=500 ;# KML, GeoJSON, NMEA and RTCM output configuration ;#dump_filename: Log path and filename without extension. Notice that PVT will add ".dat" to the binary dump and ".kml" to GoogleEarth dump. PVT.dump_filename=./PVT ;#nmea_dump_filename: NMEA log path and filename PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea; ;#flag_nmea_tty_port: Enable or disable the NMEA log to a serial TTY port (Can be used with real hardware or virtual one) PVT.flag_nmea_tty_port=false; ;#nmea_dump_devname: serial device descriptor for NMEA logging PVT.nmea_dump_devname=/dev/pts/4 PVT.flag_rtcm_server=false PVT.flag_rtcm_tty_port=false PVT.rtcm_dump_devname=/dev/pts/1 ;#dump: Enable or disable the PVT internal binary data file logging [true] or [false] PVT.dump=false ;######### OUTPUT_FILTER CONFIG ############ ;# Receiver output filter: Leave this block disabled in this version OutputFilter.implementation=Null_Sink_Output_Filter OutputFilter.filename=data/gnss-sdr.dat OutputFilter.item_type=gr_complex