PPP Systems - Revision history

Gema.Cueto at 09:56, 7 May 2019

2019-05-07T09:56:56Z

← Older revision		Revision as of 09:56, 7 May 2019
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	* [http://www.gdgps.net/system-desc/ Global Differential GPS]: JPL's Real Time GIPSY (RTG) software provides with products in real-time, and also real-time PPP positioning.		* [http://www.gdgps.net/system-desc/ Global Differential GPS]: JPL's Real Time GIPSY (RTG) software provides with products in real-time, and also real-time PPP positioning.

	* [~~http~~://www.dlr.de/rb/desktopdefault.aspx/tabid-~~4736~~/10536_read-~~25879~~/ RETICLE ]: DLR via RETICLE also offers real-time data streams via the dedicated NTRIP-caster.		* [https://www.dlr.de/rb/desktopdefault.aspx/tabid-10749/10536_read-23374/ RETICLE ]: DLR via RETICLE also offers real-time data streams via the dedicated NTRIP-caster.

	==Regional PPP==		==Regional PPP==

Claudia.Prajanu at 21:54, 23 September 2018

2018-09-23T21:54:54Z

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	\|YearOfPublication=2011		\|YearOfPublication=2011
	\|Logo=GMV		\|Logo=GMV
	~~\|Title={{PAGENAME}}~~
	}}		}}
	Precise point positioning (PPP) stands out as an optimal approach for providing centimeter-level error positioning using current and coming GNSS constellations. The Precise Point Positioning (PPP) processes measurements from a single user receiver, using detailed physical models and corrections, and precise GNSS orbit and clock products computed beforehand. PPP differs from other precise-positioning approaches like [[Real Time Kinematics\|Real Time Kinematics (RTK)]] in that no reference stations are needed in the vicinity of the user. Another advantage is that since the GNSS orbit and clock products are by nature global, the PPP solutions are also global. However, it should be noted that it is possible to set up a regional PPP service using a regional network of stations.<ref name="Lainez">M.D. Laínez Samper et al, [http://mycoordinates.org/multisystem-real-time-precise-point-positioning/ Multisystem real time precise-point-positioning], Coordinates, Volume VII, Issue 2, February 2011</ref>		Precise point positioning (PPP) stands out as an optimal approach for providing centimeter-level error positioning using current and coming GNSS constellations. The Precise Point Positioning (PPP) processes measurements from a single user receiver, using detailed physical models and corrections, and precise GNSS orbit and clock products computed beforehand. PPP differs from other precise-positioning approaches like [[Real Time Kinematics\|Real Time Kinematics (RTK)]] in that no reference stations are needed in the vicinity of the user. Another advantage is that since the GNSS orbit and clock products are by nature global, the PPP solutions are also global. However, it should be noted that it is possible to set up a regional PPP service using a regional network of stations.<ref name="Lainez">M.D. Laínez Samper et al, [http://mycoordinates.org/multisystem-real-time-precise-point-positioning/ Multisystem real time precise-point-positioning], Coordinates, Volume VII, Issue 2, February 2011</ref>
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	*[https://gipsy-oasis.jpl.nasa.gov/ GIPSY-OASIS], or GIPSY: the GNSS-Inferred Positioning System and Orbit Analysis Simulation Software package, developed by the Jet Propulsion Laboratory (JPL), and maintained by the Orbiter and Radio Metric Systems (ORMS) group.		*[https://gipsy-oasis.jpl.nasa.gov/ GIPSY-OASIS], or GIPSY: the GNSS-Inferred Positioning System and Orbit Analysis Simulation Software package, developed by the Jet Propulsion Laboratory (JPL), and maintained by the Orbiter and Radio Metric Systems (ORMS) group.

	*~~[http://www.geod.nrcan.gc.ca/products-produits/ppp_e.php~~ NRCan PPP]: Global GPS post-processing service, developed by Natural Resources Canada.		* NRCan PPP: Global GPS post-processing service, developed by Natural Resources Canada.

	*[http://magicgnss.gmv.com/ magicGNSS]: GNSS Orbit Determination and Precise Positioning software developed by GMV, Spain.		*[http://magicgnss.gmv.com/ magicGNSS]: GNSS Orbit Determination and Precise Positioning software developed by GMV, Spain.
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	*[http://gaps.gge.unb.ca/about.html GAPS] : The University of New Brunswick (UNB) developed the GPS Analysis and Positioning Software (GAPS).		*[http://gaps.gge.unb.ca/about.html GAPS] : The University of New Brunswick (UNB) developed the GPS Analysis and Positioning Software (GAPS).

	*~~[http://gage14.upc.es/gLAB/~~ gLAB Software]: ESA/UPC GNSS-Lab Tool suite (gLAB) is an interactive software package for GNSS data processing and analysis, including Precise Positioning.		* gLAB Software: ESA/UPC GNSS-Lab Tool suite (gLAB) is an interactive software package for GNSS data processing and analysis, including Precise Positioning.

	*~~[http://www.esoc.esa.de/external/flydynmx/Presentations/12_ESA_Garcia_NAPEOS.pdf~~ Navigation Package for Earth Observation Satellites (NAPEOS)]: software system for GNSS data processing and Multi-satellite high precision orbit determination, developed and maintained by the [http://www.esa.int/About_Us/ESOC European Space Operations Centre (ESOC)] of the European Space Agency (ESA).		* Navigation Package for Earth Observation Satellites (NAPEOS): software system for GNSS data processing and Multi-satellite high precision orbit determination, developed and maintained by the [http://www.esa.int/About_Us/ESOC European Space Operations Centre (ESOC)] of the European Space Agency (ESA).

	All the aforementioned PPP SW require the availability of precise reference satellite orbit and clock products, normally computed using a network of GNSS reference stations distributed worldwide. The [http://www.igs.org/ International GNSS Service (IGS)] uses its [http://www.igs.org/network/netindex.html global network] to compute orbit and clock products used by several of the PPP providers. In fact, some of the central processing facilities that collaborate with IGS in the computation of these products are the same as the ones listed above; JPL, ESOC, NRCan, CODE (Bern University).		All the aforementioned PPP SW require the availability of precise reference satellite orbit and clock products, normally computed using a network of GNSS reference stations distributed worldwide. The [http://www.igs.org/ International GNSS Service (IGS)] uses its [http://www.igs.org/network/netindex.html global network] to compute orbit and clock products used by several of the PPP providers. In fact, some of the central processing facilities that collaborate with IGS in the computation of these products are the same as the ones listed above; JPL, ESOC, NRCan, CODE (Bern University).
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	==PPP online Services==		==PPP online Services==
	There are free online PPP services. When submitting ~~[ftp://igs.org/igscb/data/format/rinex211.txt~~ RINEX] observation files on each website, the data will be processed by those services and then the PPP solution is obtained and sent back.		There are free online PPP services. When submitting RINEX observation files on each website, the data will be processed by those services and then the PPP solution is obtained and sent back.

	*[http://gaps.gge.unb.ca/index.html GAPS]: available as an online post-processing engine via their webpage. Static as well as kinematic processing is possible. They accept an observation file in the RINEX 2.10 or 2.11 formats with GPS data. IGS orbits and clocks necessary for processing the observations are automatically retrieved from one of the IGS global data centers.		*[http://gaps.gge.unb.ca/index.html GAPS]: available as an online post-processing engine via their webpage. Static as well as kinematic processing is possible. They accept an observation file in the RINEX 2.10 or 2.11 formats with GPS data. IGS orbits and clocks necessary for processing the observations are automatically retrieved from one of the IGS global data centers.
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	*[http://apps.gdgps.net/ Automatic Precise Positioning Service (APPS)]: using GIPSY software, APPS supports input in RINEX 2.10, RINEX 2.11 files and GIPSY TDP files to process static and kinematic GPS real-time data.		*[http://apps.gdgps.net/ Automatic Precise Positioning Service (APPS)]: using GIPSY software, APPS supports input in RINEX 2.10, RINEX 2.11 files and GIPSY TDP files to process static and kinematic GPS real-time data.

	*~~[http://www.geod.nrcan.gc.ca/products-produits/ppp_e.php~~ NRCan PPP]: provides post-processed position estimates from GPS observation files submitted by the user in RINEX format. Precise position estimates are referred to the CSRS standard North American Datum of 1983 (NAD83) as well as the International Terrestrial Reference Frame (ITRF). Single station position estimates are computed for users operating in static or kinematic modes using precise GPS orbits and clocks from IGS global data centers.		* NRCan PPP: provides post-processed position estimates from GPS observation files submitted by the user in RINEX format. Precise position estimates are referred to the CSRS standard North American Datum of 1983 (NAD83) as well as the International Terrestrial Reference Frame (ITRF). Single station position estimates are computed for users operating in static or kinematic modes using precise GPS orbits and clocks from IGS global data centers.

	In order to obtain a simple and efficient means of comparing solutions provided by each PPP service, the [http://gge.unb.ca/Resources/PPP/Purpose.html Precise Point Positioning Software Centre] has been created under the auspices of the Geomatics for Informed Decisions Network of Centres of Excellence. It allows for:		In order to obtain a simple and efficient means of comparing solutions provided by each PPP service, the [http://gge.unb.ca/Resources/PPP/Purpose.html Precise Point Positioning Software Centre] has been created under the auspices of the Geomatics for Informed Decisions Network of Centres of Excellence. It allows for:

Filipe.Pelica: Included editor logo.

2014-09-18T17:08:16Z

Included editor logo.

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	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011
			\|Logo=GMV
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	}}		}}

Filipe.Pelica: fixed broken link.

2014-09-11T10:40:07Z

fixed broken link.

← Older revision		Revision as of 10:40, 11 September 2014
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	* [http://www.gdgps.net/system-desc/ Global Differential GPS]: JPL's Real Time GIPSY (RTG) software provides with products in real-time, and also real-time PPP positioning.		* [http://www.gdgps.net/system-desc/ Global Differential GPS]: JPL's Real Time GIPSY (RTG) software provides with products in real-time, and also real-time PPP positioning.

	* [http://www~~.weblab~~.dlr.de/~~rbrt~~/~~GpsNav~~/~~RTClk~~/~~RTClk.html~~ RETICLE ]: DLR via RETICLE also offers real-time data streams via the dedicated NTRIP-caster.		* [http://www.dlr.de/rb/desktopdefault.aspx/tabid-4736/10536_read-25879/ RETICLE ]: DLR via RETICLE also offers real-time data streams via the dedicated NTRIP-caster.

	==Regional PPP==		==Regional PPP==

Filipe.Pelica: fixed broken link.

2014-09-11T10:31:01Z

fixed broken link.

← Older revision		Revision as of 10:31, 11 September 2014
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	*[http://gage14.upc.es/gLAB/ gLAB Software]: ESA/UPC GNSS-Lab Tool suite (gLAB) is an interactive software package for GNSS data processing and analysis, including Precise Positioning.		*[http://gage14.upc.es/gLAB/ gLAB Software]: ESA/UPC GNSS-Lab Tool suite (gLAB) is an interactive software package for GNSS data processing and analysis, including Precise Positioning.

	*[http://www.esoc.esa.de/external/flydynmx/Presentations/12_ESA_Garcia_NAPEOS.pdf Navigation Package for Earth Observation Satellites (NAPEOS)]: software system for GNSS data processing and Multi-satellite high precision orbit determination, developed and maintained by the [http://www~~.esoc~~.esa.de/ European Space Operations Centre (ESOC)] of the European Space Agency (ESA).		*[http://www.esoc.esa.de/external/flydynmx/Presentations/12_ESA_Garcia_NAPEOS.pdf Navigation Package for Earth Observation Satellites (NAPEOS)]: software system for GNSS data processing and Multi-satellite high precision orbit determination, developed and maintained by the [http://www.esa.int/About_Us/ESOC European Space Operations Centre (ESOC)] of the European Space Agency (ESA).

	All the aforementioned PPP SW require the availability of precise reference satellite orbit and clock products, normally computed using a network of GNSS reference stations distributed worldwide. The [http://www.igs.org/ International GNSS Service (IGS)] uses its [http://www.igs.org/network/netindex.html global network] to compute orbit and clock products used by several of the PPP providers. In fact, some of the central processing facilities that collaborate with IGS in the computation of these products are the same as the ones listed above; JPL, ESOC, NRCan, CODE (Bern University).		All the aforementioned PPP SW require the availability of precise reference satellite orbit and clock products, normally computed using a network of GNSS reference stations distributed worldwide. The [http://www.igs.org/ International GNSS Service (IGS)] uses its [http://www.igs.org/network/netindex.html global network] to compute orbit and clock products used by several of the PPP providers. In fact, some of the central processing facilities that collaborate with IGS in the computation of these products are the same as the ones listed above; JPL, ESOC, NRCan, CODE (Bern University).

Teresa.Ferreira: /* PPP online Services */

2013-02-28T20:10:40Z

PPP online Services

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	*A means of validation for potential PPP software developers.		*A means of validation for potential PPP software developers.
	*An opportunity to share information on PPP and identify its strengths and limitations.		*An opportunity to share information on PPP and identify its strengths and limitations.

			[[Interfaces_and_Protocols\| More information on RINEX files]],

	==Real-Time PPP==		==Real-Time PPP==

Carlos.Lopez at 11:34, 23 February 2012

2012-02-23T11:34:44Z

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	{{Article Infobox2		{{Article Infobox2
	\|Category=Fundamentals		\|Category=Fundamentals
	\|~~Title={{PAGENAME}}~~		\|Editors=GMV
	~~\|Authors~~=GMV
	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011
	\|~~Logo~~=~~GMV~~		\|Title={{PAGENAME}}
	}}		}}

	Precise point positioning (PPP) stands out as an optimal approach for providing centimeter-level error positioning using current and coming GNSS constellations. The Precise Point Positioning (PPP) processes measurements from a single user receiver, using detailed physical models and corrections, and precise GNSS orbit and clock products computed beforehand. PPP differs from other precise-positioning approaches like [[Real Time Kinematics\|Real Time Kinematics (RTK)]] in that no reference stations are needed in the vicinity of the user. Another advantage is that since the GNSS orbit and clock products are by nature global, the PPP solutions are also global. However, it should be noted that it is possible to set up a regional PPP service using a regional network of stations.<ref name="Lainez">M.D. Laínez Samper et al, [http://mycoordinates.org/multisystem-real-time-precise-point-positioning/ Multisystem real time precise-point-positioning], Coordinates, Volume VII, Issue 2, February 2011</ref>		Precise point positioning (PPP) stands out as an optimal approach for providing centimeter-level error positioning using current and coming GNSS constellations. The Precise Point Positioning (PPP) processes measurements from a single user receiver, using detailed physical models and corrections, and precise GNSS orbit and clock products computed beforehand. PPP differs from other precise-positioning approaches like [[Real Time Kinematics\|Real Time Kinematics (RTK)]] in that no reference stations are needed in the vicinity of the user. Another advantage is that since the GNSS orbit and clock products are by nature global, the PPP solutions are also global. However, it should be noted that it is possible to set up a regional PPP service using a regional network of stations.<ref name="Lainez">M.D. Laínez Samper et al, [http://mycoordinates.org/multisystem-real-time-precise-point-positioning/ Multisystem real time precise-point-positioning], Coordinates, Volume VII, Issue 2, February 2011</ref>

Jose.Caro: /* Real-Time PPP */

2011-07-13T09:43:06Z

Real-Time PPP

← Older revision		Revision as of 09:43, 13 July 2011
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	Precise Point Positioning (PPP) can be obtained in real-time if precise reference satellite orbit and clock products are available in real-time. There are some projects in development phase, both for real-time products and for real-time PPP. It should be noted that no standard for Real-Time PPP has been defined yet, but standarisation effort is being carried by the [http://www.rtcm.org/ Radio Technical Comission for Maritime Services] (RTCM) Special committee 104.		Precise Point Positioning (PPP) can be obtained in real-time if precise reference satellite orbit and clock products are available in real-time. There are some projects in development phase, both for real-time products and for real-time PPP. It should be noted that no standard for Real-Time PPP has been defined yet, but standarisation effort is being carried by the [http://www.rtcm.org/ Radio Technical Comission for Maritime Services] (RTCM) Special committee 104.

	Among the ~~Real~~-~~Time~~ projects:		Among the real-time projects:

	* [http://www.rtigs.net/ Real-Time IGS]: The main goals of the IGS Real-Time Pilot Project include:		* [http://www.rtigs.net/ Real-Time IGS]: The main goals of the IGS Real-Time Pilot Project include:
	**Manage and maintain a global IGS real-time GNSS tracking network		**Manage and maintain a global IGS real-time GNSS tracking network.
	**Generate combined real-time IGS analysis products		**Generate combined real-time IGS analysis products.
	**Develop standards and formats for real-time data collection and distribution		**Develop standards and formats for real-time data collection and distribution.
	**Develop standards and formats for the generation and distribution of real-time analysis products		**Develop standards and formats for the generation and distribution of real-time analysis products.

	* [http://www.gdgps.net/system-desc/ Global Differential GPS]: JPL's Real Time GIPSY (RTG) software provides with products in real-time, and also real-time PPP positioning.		* [http://www.gdgps.net/system-desc/ Global Differential GPS]: JPL's Real Time GIPSY (RTG) software provides with products in real-time, and also real-time PPP positioning.

Jose.Caro: /* Real-Time PPP */

2011-07-13T09:41:50Z

Real-Time PPP

← Older revision		Revision as of 09:41, 13 July 2011
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	==Real-Time PPP==		==Real-Time PPP==

	Precise Point Positioning (PPP) can be obtained in real-time if precise reference satellite orbit and clock products are available in real-time. There are some projects in development phase, both for real-time products and for real-time PPP. It should be noted that no standard for Real-Time PPP has ~~yet~~ been defined, but standarisation effort is being carried by the [http://www.rtcm.org/ Radio Technical Comission for Maritime Services](RTCM) Special committee 104.		Precise Point Positioning (PPP) can be obtained in real-time if precise reference satellite orbit and clock products are available in real-time. There are some projects in development phase, both for real-time products and for real-time PPP. It should be noted that no standard for Real-Time PPP has been defined yet, but standarisation effort is being carried by the [http://www.rtcm.org/ Radio Technical Comission for Maritime Services] (RTCM) Special committee 104.

	Among the Real-Time projects:		Among the Real-Time projects:

Jose.Caro: /* PPP Software */

2011-07-13T09:40:02Z

PPP Software

← Older revision		Revision as of 09:40, 13 July 2011
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	*[http://www.esoc.esa.de/external/flydynmx/Presentations/12_ESA_Garcia_NAPEOS.pdf Navigation Package for Earth Observation Satellites (NAPEOS)]: software system for GNSS data processing and Multi-satellite high precision orbit determination, developed and maintained by the [http://www.esoc.esa.de/ European Space Operations Centre (ESOC)] of the European Space Agency (ESA).		*[http://www.esoc.esa.de/external/flydynmx/Presentations/12_ESA_Garcia_NAPEOS.pdf Navigation Package for Earth Observation Satellites (NAPEOS)]: software system for GNSS data processing and Multi-satellite high precision orbit determination, developed and maintained by the [http://www.esoc.esa.de/ European Space Operations Centre (ESOC)] of the European Space Agency (ESA).

	All the aforementioned PPP SW require the availability of precise reference satellite orbit and clock products using a network of [http://www.igs.org/~~network/netindex.html~~ GNSS ~~reference stations~~] ~~distributed worldwide.~~ [http://www.igs.org/ ~~International GNSS Service (IGS)~~] ~~provides the network,~~ and ~~also~~ the ~~products (orbits and clocks)~~, ~~in fact~~ some of the ~~Central Processing Facilities~~ that ~~participates~~ in ~~IGS to provide~~ the ~~precise orbits and clocks~~ products are the same as the ones ~~in the list~~ above; JPL, ESOC, NRCan,CODE (Bern University).		All the aforementioned PPP SW require the availability of precise reference satellite orbit and clock products, normally computed using a network of GNSS reference stations distributed worldwide. The [http://www.igs.org/ International GNSS Service (IGS)] uses its [http://www.igs.org/network/netindex.html global network] to compute orbit and clock products used by several of the PPP providers. In fact, some of the central processing facilities that collaborate with IGS in the computation of these products are the same as the ones listed above; JPL, ESOC, NRCan, CODE (Bern University).

	Among these institutions, some of them offer online processing as it is explained in next section.		Among these institutions, some of them offer online processing as it is explained in next section.