; 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=2000000 ;######### 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=File_Signal_Source ;#When left empty, the device discovery routines will search all vailable transports on the system (ethernet, usb...) SignalSource.device_address=192.168.50.2 ;#filename: path to file with the captured GNSS signal samples to be processed SignalSource.filename=/home/javier/signals/signal_source_int.dat ;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version. SignalSource.item_type=gr_complex ;#sampling_frequency: Original Signal sampling frequency in [Hz] SignalSource.sampling_frequency=2000000 ;#freq: RF front-end center frequency in [Hz] SignalSource.freq=1575420000 ;#gain: Front-end Gain in [dB] SignalSource.gain=40 ;#subdevice: UHD subdevice specification (for USRP1 use A:0 or B:0) SignalSource.subdevice=A:0 ;#samples: Number of samples to be processed. Notice that 0 indicates the entire file. SignalSource.samples=0 ;#repeat: Repeat the processing file. Disable this option in this version SignalSource.repeat=false ;#dump: Dump the Signal source data to a file. Disable this option in this version SignalSource.dump=false SignalSource.dump_filename=dump.dat ;#enable_throttle_control: Enabling this option tells the signal source to keep the delay between samples in post processing. ; it helps to not overload the CPU, but the processing time will be longer. SignalSource.enable_throttle_control=false ;######### SIGNAL_CONDITIONER CONFIG ############ ;## It holds blocks to change data type, filter and resample input data. ;#implementation: Use [Pass_Through] or [Signal_Conditioner] ;#[Pass_Through] disables this block and the [DataTypeAdapter], [InputFilter] and [Resampler] blocks ;#[Signal_Conditioner] enables this block. Then you have to configure [DataTypeAdapter], [InputFilter] and [Resampler] blocks SignalConditioner.implementation=Signal_Conditioner ;######### INPUT_FILTER CONFIG ############ ;## Filter the input data. Can be combined with frequency translation for IF signals ;#[Pass_Through] disables this block InputFilter.implementation=Pulse_Blanking_Filter InputFilter.Pfa=0.001 ;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version. InputFilter.input_item_type=gr_complex ;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version. InputFilter.output_item_type=gr_complex ;#dump: Dump the filtered data to a file. InputFilter.dump=false ;#dump_filename: Log path and filename. InputFilter.dump_filename=../data/input_filter.dat ;######### CHANNELS GLOBAL CONFIG ############ Channels_1C.count=8 Channels.in_acquisition=8 Channel.signal=1C ;######### ACQUISITION GLOBAL CONFIG ############ Acquisition_1C.dump=false Acquisition_1C.dump_filename=./acq_dump.dat Acquisition_1C.item_type=gr_complex Acquisition_1C.if=0 Acquisition_1C.sampled_ms=1 Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition ;#use_CFAR_algorithm: If enabled, acquisition estimates the input signal power to implement CFAR detection algorithms ;#notice that this affects the Acquisition threshold range! Acquisition_1C.use_CFAR_algorithm=false; ;#threshold: Acquisition threshold Acquisition_1C.threshold=20 ;Acquisition_1C.pfa=0.01 Acquisition_1C.doppler_max=5000 Acquisition_1C.doppler_step=250 ;######### TRACKING GPS CONFIG ############ ;#implementation: Selected tracking algorithm: [GPS_L1_CA_DLL_PLL_Tracking] or [GPS_L1_CA_DLL_PLL_C_Aid_Tracking] or [GPS_L1_CA_TCP_CONNECTOR_Tracking] or [Galileo_E1_DLL_PLL_VEML_Tracking] Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_C_Aid_Tracking ;#item_type: Type and resolution for each of the signal samples. Use only [gr_complex] in this version. Tracking_1C.item_type=gr_complex ;#sampling_frequency: Signal Intermediate Frequency in [Hz] Tracking_1C.if=0 ;#dump: Enable or disable the Tracking internal binary data file logging [true] or [false] Tracking_1C.dump=true ;#dump_filename: Log path and filename. Notice that the tracking channel will add "x.dat" where x is the channel number. Tracking_1C.dump_filename=../data/epl_tracking_ch_ ;# Extended correlation after telemetry bit synchronization ;# Valid values are: [1,2,4,5,10,20] (integer divisors of the GPS L1 CA bit period (20 ms) ) ;# Longer integration period require more stable front-end LO Tracking_1C.extend_correlation_ms=10 ;#pll_bw_hz: PLL loop filter bandwidth [Hz] Tracking_1C.pll_bw_hz=35; Tracking_1C.pll_bw_narrow_hz=30; ;#dll_bw_hz: DLL loop filter bandwidth [Hz] Tracking_1C.dll_bw_hz=2.0; Tracking_1C.dll_bw_narrow_hz=1.5; ;#fll_bw_hz: FLL loop filter bandwidth [Hz] Tracking_1C.fll_bw_hz=2.0; ;#order: PLL/DLL loop filter order [2] or [3] Tracking_1C.order=3; ;######### TELEMETRY DECODER GPS CONFIG ############ TelemetryDecoder_1C.implementation=GPS_L1_CA_Telemetry_Decoder TelemetryDecoder_1C.dump=false TelemetryDecoder_1C.decimation_factor=1; ;######### OBSERVABLES CONFIG ############ Observables.implementation=Hybrid_Observables Observables.averaging_depth=1 Observables.dump=true Observables.dump_filename=./observables.dat ;######### PVT CONFIG ############ PVT.implementation=Hybrid_PVT PVT.averaging_depth=100 PVT.flag_averaging=false PVT.output_rate_ms=1 PVT.display_rate_ms=100 PVT.dump_filename=./PVT PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea; PVT.flag_nmea_tty_port=false; 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 PVT.dump=false