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Carles Fernandez
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36
docs/manpage/front-end-cal-manpage
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.\" Manpage for front-end-cal.
.\" Manpage for front\-end\-cal.
.\" Contact javier.arribas@cttc.es to correct errors or typos.
.TH front-end-cal 1 "15 Dec 2014" "0.0.1" "front-end-cal man page"
.TH front\-end\-cal 1 "15 Dec 2014" "0.0.1" "front\-end\-cal man page"
.SH NAME
\fBfront-end-cal\fR \- RF front-end center frequency and sampling rate calibration tool.
\fBfront\-end\-cal\fR \- RF front\-end center frequency and sampling rate calibration tool.
.SH SYNOPSIS
\fBfront-end-cal -config_file=\fR\fI<path-to-configuration-file>\fR [OPTION]...
\fBfront\-end\-cal \-config_file=\fR\fI<path\-to\-configuration\-file>\fR [OPTION]...
.SH DESCRIPTION
\fBfront-end-cal\fR is a calibration tool for some DVB-T receivers based on the Taiwan's Realtek RTL2832U chipset, sold in form of USB dongles that allow users to watch over-the-air DVB-T European broadcast television on their personal computers, to be used as GNSS front-ends.
\fBfront\-end\-cal\fR is a calibration tool for some DVB\-T receivers based on the Taiwan's Realtek RTL2832U chipset, sold in form of USB dongles that allow users to watch over\-the\-air DVB\-T European broadcast television on their personal computers, to be used as GNSS front\-ends.
\.TP
Normally, those devices send partially-decoded MPEG transport frames over the USB, but exploiting an undocumented mode of operation of the demodulator chip, the user is able to obtain raw I&Q samples, stream them through USB to a personal computer and then use \fBgnss-sdr\fR, turning the DVB-T receiver into a GNSS receiver and delivering position in real-time.
Normally, those devices send partially\-decoded MPEG transport frames over the USB, but exploiting an undocumented mode of operation of the demodulator chip, the user is able to obtain raw I&Q samples, stream them through USB to a personal computer and then use \fBgnss\-sdr\fR, turning the DVB\-T receiver into a GNSS receiver and delivering position in real\-time.
\.TP
The crystal oscillator that ships with the RTL2832U family devices exhibits limited accuracy to be used as a GNSS receiver front-end without previous calibration. \fBfront-end-cal\fR automatizes the algorithm proposed in [1], and it requires Internet access since it retrieves Assisted GPS data from SUPL servers.
The crystal oscillator that ships with the RTL2832U family devices exhibits limited accuracy to be used as a GNSS receiver front\-end without previous calibration. \fBfront\-end\-cal\fR implements the algorithm proposed in [1], and it requires Internet access since it retrieves Assisted GPS data from SUPL servers.
\.TP
\fBfront-end-cal\fR is able to work with raw data files or, if there is computational power enough, in real time with suitable radiofrequency front-ends. The whole receiver is defined in a single configuration file, and therefore users can define theirs.
\fBfront\-end\-cal\fR is able to work with raw data files or, if there is computational power enough, in real time with suitable radio frequency front\-ends. The whole receiver is defined in a single configuration file, and therefore users can define theirs.
.SH OPTIONS
\fBfront-end-cal\fR takes the following options:
\fBfront\-end\-cal\fR takes the following options:
.TP
\fB-config_file=\fR\fI<path-to-configuration-file>\fR Set the configuration file.
\fB\-config_file=\fR\fI<path\-to\-configuration\-file>\fR Set the configuration file.
.TP
\fB-signal_source=\fR\fI<path-to-raw-signal-file>\fR If defined, path to the file containing the signal samples (overrides the data file specified in the configuration file).
\fB\-signal_source=\fR\fI<path\-to\-raw\-signal\-file>\fR If defined, path to the file containing the signal samples (overrides the data file specified in the configuration file).
.TP
\fB-log_dir=\fR\fI<path-to-directory>\fR If defined, overrides the default directory where logs are saved.
\fB\-log_dir=\fR\fI<path\-to\-directory>\fR If defined, overrides the default directory where logs are saved.
.TP
\fB-version\fR Print program version and exit.
\fB\-version\fR Print program version and exit.
.TP
\fB-help\fR Print all the available commandline flags and exit.
\fB\-help\fR Print all the available commandline flags and exit.
.SH SEE ALSO
.BR gnss-sdr (1), volk_gnsssdr_profile (1)
.BR gnss\-sdr (1), volk_gnsssdr_profile (1)
\.TP
Example of configuration file available at: ${prefix}/share/gnss-sdr/conf/front-end-cal.conf, where ${prefix}$ uses to be /usr or /usr/local. This will be the configuration file used by default if the \fB-config_file\fR option is not set.
Example of configuration file available at: ${prefix}/share/gnss\-sdr/conf/front\-end\-cal.conf, where ${prefix}$ uses to be /usr or /usr/local. This will be the configuration file used by default if the \fB\-config_file\fR option is not set.
\.TP
[1] C. Fernandez-Prades, J. Arribas, P. Closas, \fITurning a Television into a GNSS Receiver\fR, in Proceedings of ION GNSS+, 15-16 September 2013, Nashville, Tennessee (USA). A draft copy is freely available at http://www.cttc.es/publication/turning-a-television-into-a-gnss-receiver/
[1] C. Fernandez\-Prades, J. Arribas, P. Closas, \fITurning a Television into a GNSS Receiver\fR, in Proceedings of ION GNSS+, 15\-16 September 2013, Nashville, Tennessee (USA). A draft copy is freely available at http://www.cttc.es/publication/turning\-a\-television\-into\-a\-gnss\-receiver/
\.TP
Check http://gnss-sdr.org for more information.
Check http://gnss\\-sdr.org for more information.
.SH BUGS
No known bugs.
.SH AUTHOR

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docs/manpage/gnss-sdr-manpage
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.\" Manpage for gnss-sdr.
.\" Manpage for gnss\-sdr.
.\" Contact carles.fernandez@cttc.es to correct errors or typos.
.TH gnss-sdr 1 "14 Nov 2014" "0.0.5" "gnss-sdr man page"
.TH gnss\-sdr 1 "14 Nov 2014" "0.0.5" "gnss\-sdr man page"
.SH NAME
\fBgnss-sdr\fR \- GNSS Software Defined Receiver.
\fBgnss\-sdr\fR \- GNSS Software Defined Receiver.
.SH SYNOPSIS
\fBgnss-sdr -config_file=\fR\fI<path-to-configuration-file>\fR [OPTION]...
\fBgnss\-sdr \-config_file=\fR\fI<path\-to\-configuration\-file>\fR [OPTION]...
.SH DESCRIPTION
\fBgnss-sdr\fR is a Global Navigation Satellite Systems Software Defined Receiver written in C++. It implements all the signal processing chain, taking as input raw samples coming from the output of an Analog-to-Digital Converter, and processing them up to the computation of the Position-Velocity-Time solution, including the generation of code and phase observables.
\fBgnss\-sdr\fR is a Global Navigation Satellite Systems Software Defined Receiver written in C++. It implements all the signal processing chain, taking as input raw samples coming from the output of an Analog\-to\-Digital Converter, and processing them up to the computation of the Position\-Velocity\-Time solution, including the generation of code and phase measurements.
\.TP
\fBgnss-sdr\fR is able to work with raw data files or, if there is computational power enough, in real time with suitable radiofrequency front-ends. The whole receiver is defined in a single configuration file, and therefore users can define theirs.
\fBgnss\-sdr\fR is able to work with raw data files or, if there is computational power enough, in real time with suitable radio frequency front\-ends. The whole receiver is defined in a single configuration file, and therefore users can define theirs.
.SH OPTIONS
\fBgnss-sdr\fR takes the following options:
\fBgnss\-sdr\fR takes the following options:
.TP
\fB-config_file=\fR\fI<path-to-configuration-file>\fR Set the configuration file.
\fB\-config_file=\fR\fI<path\-to\-configuration\-file>\fR Set the configuration file.
.TP
\fB-signal_source=\fR\fI<path-to-raw-signal-file>\fR If defined, path to the file containing the signal samples (overrides the data file specified in the configuration file).
\fB\-signal_source=\fR\fI<path\-to\-raw\-signal\-file>\fR If defined, path to the file containing the signal samples (overrides the data file specified in the configuration file).
.TP
\fB-log_dir=\fR\fI<path-to-directory>\fR If defined, overrides the default directory where logs are saved.
\fB\-log_dir=\fR\fI<path\-to\-directory>\fR If defined, overrides the default directory where logs are saved.
.TP
\fB-RINEX_version=\fI<version>\fR Specifies the RINEX version (2.11 or 3.02). Default: "3.02".
\fB\-RINEX_version=\fI<version>\fR Specifies the RINEX version (2.11 or 3.02). Default: "3.02".
.TP
\fB-version\fR Print program version and exit.
\fB\-version\fR Print program version and exit.
.TP
\fB-help\fR Print all the available commandline flags and exit.
\fB\-help\fR Print all the available commandline flags and exit.
.SH SEE ALSO
.BR volk_gnsssdr_profile (1)
\.TP
Examples of configuration files available at: ${prefix}/share/gnss-sdr/conf, where ${prefix}$ uses to be /usr or /usr/local.
Examples of configuration files available at: ${prefix}/share/gnss\-sdr/conf, where ${prefix} uses to be /usr or /usr/local.
\.TP
Check http://gnss-sdr.org for more information.
Check http://gnss\-sdr.org for more information.
.SH BUGS
No known bugs.
.SH AUTHOR
Carles Fernandez-Prades (carles.fernandez@cttc.es)
Carles Fernandez\-Prades (carles.fernandez@cttc.es)
\.TP
This software package has been developed at CTTC (Centre Tecnologic de Telecomunicacions de Catalunya, http://www.cttc.es) with contributions from around the world.