WAAS Ground Segment - Revision history

Gema.Cueto at 09:12, 16 February 2021

2021-02-16T09:12:09Z

← Older revision		Revision as of 09:12, 16 February 2021
Line 7:		Line 7:
	\|Title={{PAGENAME}}		\|Title={{PAGENAME}}
	}}		}}
	The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational on July 10, 2003,<ref name="STANFORD_WAAS">[https://gps.stanford.edu/research/currentcontinuing-research/waas-sbas Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; three development phases have been already covered, ~~a fourth,~~ to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>		The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational on July 10, 2003,<ref name="STANFORD_WAAS">[https://gps.stanford.edu/research/currentcontinuing-research/waas-sbas Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; three development phases have been already covered, and there are on-going plans to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>

	==WAAS Ground Segment==		==WAAS Ground Segment==

Gema.Cueto at 08:06, 28 January 2021

2021-01-28T08:06:42Z

← Older revision		Revision as of 08:06, 28 January 2021
Line 7:		Line 7:
	\|Title={{PAGENAME}}		\|Title={{PAGENAME}}
	}}		}}
	The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational on July 10, 2003,<ref name="STANFORD_WAAS">[~~http~~://~~waas~~.stanford.edu/research/waas~~.htm~~ Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; three development phases have been already covered, a fourth, to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>		The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational on July 10, 2003,<ref name="STANFORD_WAAS">[https://gps.stanford.edu/research/currentcontinuing-research/waas-sbas Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; three development phases have been already covered, a fourth, to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>

	==WAAS Ground Segment==		==WAAS Ground Segment==
Line 28:		Line 28:
	The WAAS Wide-area Reference Stations (WRS) are located in USA, Canada, Mexico and Puerto Rico. Regarding the US stations, each of the FAA Air Traffic Control Centers, but Indianapolis, hosts one WRS.<ref name="FAA_WAAS_LAAS">WAAS and LAAS Status,FAA presentation at 47th meeting of the Civil Global Positioning System Service Interface Committee, September 25, 2008</ref>		The WAAS Wide-area Reference Stations (WRS) are located in USA, Canada, Mexico and Puerto Rico. Regarding the US stations, each of the FAA Air Traffic Control Centers, but Indianapolis, hosts one WRS.<ref name="FAA_WAAS_LAAS">WAAS and LAAS Status,FAA presentation at 47th meeting of the Civil Global Positioning System Service Interface Committee, September 25, 2008</ref>

	For completeness, the list of WRS stations with their coordinates are shown in the next table (taken from WAAS article in Wikipedia<ref name="WAAS_WIKI">[~~http~~://en.wikipedia.org/wiki/~~Wide_Area_Augmentation_System Wide Area Augmentation System~~ in Wikipedia]</ref>		For completeness, the list of WRS stations with their coordinates are shown in the next table (taken from WAAS article in Wikipedia<ref name="WAAS_WIKI">[https://en.wikipedia.org/wiki/List_of_WAAS_reference_stations List of WAAS reference stations in Wikipedia website]</ref>
	):		):

Gema.Cueto at 08:04, 28 January 2021

2021-01-28T08:04:28Z

← Older revision		Revision as of 08:04, 28 January 2021
Line 7:		Line 7:
	\|Title={{PAGENAME}}		\|Title={{PAGENAME}}
	}}		}}
	The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational ~~in late~~ 2003,<ref name="STANFORD_WAAS">[http://waas.stanford.edu/research/waas.htm Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; ~~two~~ development phases have been already covered, a ~~third is in progress~~, ~~and there are plans~~ to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>		The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational on July 10, 2003,<ref name="STANFORD_WAAS">[http://waas.stanford.edu/research/waas.htm Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; three development phases have been already covered, a fourth, to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>

	==WAAS Ground Segment==		==WAAS Ground Segment==
Line 17:		Line 17:
	The WAAS Ground segment is composed of:<ref name=WAASWorks/>		The WAAS Ground segment is composed of:<ref name=WAASWorks/>

	* 38 widely-spaced Wide-area Reference Stations (WRS), located in North America (~~Mexico~~, Canada and ~~USA~~) and Hawaii: the WRS stations collect GPS data.		* 38 widely-spaced Wide-area Reference Stations (WRS), located in North America (continental U.S., Puerto Rico, Alaska, Canada and Mexico) and Hawaii: the WRS stations collect GPS data.
	* 3 WAAS Master Station (WMS): the WRS collected data are forwarded to the WAAS Master Station (WMS) via a terrestrial communications network. At the WMS, the WAAS augmentation messages are generated.		* 3 WAAS Master Station (WMS): the WRS collected data are forwarded to the WAAS Master Station (WMS) via a terrestrial communications network. At the WMS, the WAAS augmentation messages are generated.
	* 6 Ground Uplink Stations (GUS): they are in charge of the transmission of the WAAS messages generated by WMS stations to the navigation payloads on [[WAAS Space Segment\|Geostationary communications satellites]] for rebroadcast to the [[WAAS User Segment\|users]].		* 6 Ground Uplink Stations (GUS): they are in charge of the transmission of the WAAS messages generated by WMS stations to the navigation payloads on [[WAAS Space Segment\|Geostationary communications satellites]] for rebroadcast to the [[WAAS User Segment\|users]].
	* 2 Operational Control Centers (OCC), used to monitor the system performance and to carry out the necessary corrective and periodic maintenance operations.<ref>[http://www.faa.gov Specification for the Wide Area Augmentation System (WAAS), U.S. Department of Transportation Federal Aviation Administration]</ref>		* 2 Operational Control Centers (OCC), used to monitor the system performance and to carry out the necessary corrective and periodic maintenance operations located at the National Operations and Control Center (NOCC) and Pacific Operations Control Center (POCC).<ref>[http://www.faa.gov Specification for the Wide Area Augmentation System (WAAS), U.S. Department of Transportation Federal Aviation Administration]</ref>
			* WAAS terrestrial communications network that provides the communications link between the WAAS subsystems for transmitting WAAS data.

	===List of reference stations===		===List of reference stations===

Claudia.Prajanu at 11:40, 28 September 2018

2018-09-28T11:40:43Z

← Older revision		Revision as of 11:40, 28 September 2018
Line 7:		Line 7:
	\|Title={{PAGENAME}}		\|Title={{PAGENAME}}
	}}		}}
	The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov~~/about/office_org/headquarters_offices/ato/service_units/techops/navservices/history/satnav/index.cfm~~ Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational in late 2003,<ref name="STANFORD_WAAS">[http://waas.stanford.edu/research/waas.htm Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; two development phases have been already covered, a third is in progress, and there are plans to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>		The Wide Area Augmentation System ([[WAAS General Introduction\|WAAS]]) is the United States [[SBAS General Introduction\|Satellite Based Augmentation System]]. The programme, started in 1992, is being carried out by the [http://www.faa.gov/ Federal Aviation Agency (FAA)]<ref name="FAA_NAV_HISTORY">[http://www.faa.gov Navigation Services - History - Satellite Navigation,] [http://www.faa.gov/ FAA.]</ref> and is specially developed for the civil aviation community.<ref name="FAA_WAAS">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ Navigation Services - Wide Area Augmentation System (WAAS)], [http://www.faa.gov/ FAA.]</ref> The system, which was declared operational in late 2003,<ref name="STANFORD_WAAS">[http://waas.stanford.edu/research/waas.htm Wide Area Differential GPS (WADGPS), Stanford University]</ref> currently supports thousands of aircraft instrument approaches in more than one thousand airports in USA and Canada.<ref name="APPROACHES">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/approaches/index.cfm GNSS - GPS/WAAS Approaches,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> WAAS service area includes CONUS, Alaska, Canada and Mexico.<ref name="WAASExpanded">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ WAAS Service Expanded into Canada and Mexico, September 28, 2007,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref> The WAAS programme is continuously in evolution; two development phases have been already covered, a third is in progress, and there are plans to improve the capability of the system in parallel with the evolution of the SBAS standards towards a dual-frequency augmentation service.<ref name="EXTENSION">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/satnav/media/SatNav_March08.pdf SatNav News, Vol. 33, March 2008,] [http://www.faa.gov/ Federal Aviation Agency (FAA).]</ref>

	==WAAS Ground Segment==		==WAAS Ground Segment==
Line 20:		Line 20:
	* 3 WAAS Master Station (WMS): the WRS collected data are forwarded to the WAAS Master Station (WMS) via a terrestrial communications network. At the WMS, the WAAS augmentation messages are generated.		* 3 WAAS Master Station (WMS): the WRS collected data are forwarded to the WAAS Master Station (WMS) via a terrestrial communications network. At the WMS, the WAAS augmentation messages are generated.
	* 6 Ground Uplink Stations (GUS): they are in charge of the transmission of the WAAS messages generated by WMS stations to the navigation payloads on [[WAAS Space Segment\|Geostationary communications satellites]] for rebroadcast to the [[WAAS User Segment\|users]].		* 6 Ground Uplink Stations (GUS): they are in charge of the transmission of the WAAS messages generated by WMS stations to the navigation payloads on [[WAAS Space Segment\|Geostationary communications satellites]] for rebroadcast to the [[WAAS User Segment\|users]].
	* 2 Operational Control Centers (OCC), used to monitor the system performance and to carry out the necessary corrective and periodic maintenance operations.<ref>[http://www.faa.gov~~/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/documents/media/waas/2892bC2a.pdf~~ Specification for the Wide Area Augmentation System (WAAS), U.S. Department of Transportation Federal Aviation Administration]</ref>		* 2 Operational Control Centers (OCC), used to monitor the system performance and to carry out the necessary corrective and periodic maintenance operations.<ref>[http://www.faa.gov Specification for the Wide Area Augmentation System (WAAS), U.S. Department of Transportation Federal Aviation Administration]</ref>

	===List of reference stations===		===List of reference stations===

Filipe.Pelica: Included editor logo.

2014-09-18T17:15:52Z

Included editor logo.

← Older revision		Revision as of 17:15, 18 September 2014
Line 4:		Line 4:
	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011
			\|Logo=GMV
	\|Title={{PAGENAME}}		\|Title={{PAGENAME}}
	}}		}}

Filipe.Pelica: removed broken link.

2014-09-08T16:13:13Z

removed broken link.

← Older revision		Revision as of 16:13, 8 September 2014
Line 24:		Line 24:
	[[File:WAAS Reference Station Barrow Alaska.jpg\|WAAS Reference Station Barrow, Alaska\|250px\|thumb]]		[[File:WAAS Reference Station Barrow Alaska.jpg\|WAAS Reference Station Barrow, Alaska\|250px\|thumb]]

	The WAAS Wide-area Reference Stations (WRS) are located in USA, Canada, Mexico and Puerto Rico. Regarding the US stations, each of the FAA Air Traffic Control Centers, but Indianapolis, hosts one WRS.<ref name="FAA_WAAS_LAAS">~~[http://www.navcen.uscg.gov/pdf/cgsicMeetings/47/%5B12%5D%20WAAS-LAAS-CGSIC-07.pdf~~ WAAS and LAAS Status],FAA presentation at 47th meeting of the Civil Global Positioning System Service Interface Committee, September 25, 2008</ref>		The WAAS Wide-area Reference Stations (WRS) are located in USA, Canada, Mexico and Puerto Rico. Regarding the US stations, each of the FAA Air Traffic Control Centers, but Indianapolis, hosts one WRS.<ref name="FAA_WAAS_LAAS">WAAS and LAAS Status,FAA presentation at 47th meeting of the Civil Global Positioning System Service Interface Committee, September 25, 2008</ref>

	For completeness, the list of WRS stations with their coordinates are shown in the next table (taken from WAAS article in Wikipedia<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>		For completeness, the list of WRS stations with their coordinates are shown in the next table (taken from WAAS article in Wikipedia<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>

Carlos.Lopez at 11:13, 23 February 2012

2012-02-23T11:13:51Z

← Older revision		Revision as of 11:13, 23 February 2012
Line 1:		Line 1:
	{{Article Infobox2		{{Article Infobox2
	\|Category=WAAS		\|Category=WAAS
	\|Editors=GMV ~~A.D.~~		\|Editors=GMV
	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011

Carlos.Lopez at 10:24, 23 February 2012

2012-02-23T10:24:57Z

← Older revision		Revision as of 10:24, 23 February 2012
Line 1:		Line 1:
	{{Article Infobox2		{{Article Infobox2
	\|Category=WAAS		\|Category=WAAS
	\|~~Authors~~=GMV		\|Editors=GMV A.D.
	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011
	~~\|Logo=GMV~~
	\|Title={{PAGENAME}}		\|Title={{PAGENAME}}
	}}		}}

Jose.Caro: /* WAAS Ground Segment */

2011-12-04T13:22:40Z

WAAS Ground Segment

← Older revision		Revision as of 13:22, 4 December 2011
Line 25:		Line 25:
	[[File:WAAS Reference Station Barrow Alaska.jpg\|WAAS Reference Station Barrow, Alaska\|250px\|thumb]]		[[File:WAAS Reference Station Barrow Alaska.jpg\|WAAS Reference Station Barrow, Alaska\|250px\|thumb]]

			The WAAS Wide-area Reference Stations (WRS) are located in USA, Canada, Mexico and Puerto Rico. Regarding the US stations, each of the FAA Air Traffic Control Centers, but Indianapolis, hosts one WRS.<ref name="FAA_WAAS_LAAS">[http://www.navcen.uscg.gov/pdf/cgsicMeetings/47/%5B12%5D%20WAAS-LAAS-CGSIC-07.pdf WAAS and LAAS Status],FAA presentation at 47th meeting of the Civil Global Positioning System Service Interface Committee, September 25, 2008</ref>
	~~Each FAA Air Route Traffic Control Center in the 50 states has a~~ WAAS ~~reference station, except for Indianapolis. There~~ are ~~also stations positioned~~ in Canada, Mexico and Puerto Rico.<ref name="FAA_WAAS_LAAS">[http://www.navcen.uscg.gov/pdf/cgsicMeetings/47/%5B12%5D%20WAAS-LAAS-CGSIC-07.pdf WAAS and LAAS Status],FAA presentation at 47th meeting of the Civil Global Positioning System Service Interface Committee, September 25, 2008</ref>

	For completeness, the list of WRS stations with their coordinates are shown in the next table (taken from WAAS article in Wikipedia<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>		For completeness, the list of WRS stations with their coordinates are shown in the next table (taken from WAAS article in Wikipedia<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>

Jose.Caro at 08:36, 11 November 2011

2011-11-11T08:36:29Z

← Older revision		Revision as of 08:36, 11 November 2011
Line 20:		Line 20:
	* 3 WAAS Master Station (WMS): the WRS collected data are forwarded to the WAAS Master Station (WMS) via a terrestrial communications network. At the WMS, the WAAS augmentation messages are generated.		* 3 WAAS Master Station (WMS): the WRS collected data are forwarded to the WAAS Master Station (WMS) via a terrestrial communications network. At the WMS, the WAAS augmentation messages are generated.
	* 6 Ground Uplink Stations (GUS): they are in charge of the transmission of the WAAS messages generated by WMS stations to the navigation payloads on [[WAAS Space Segment\|Geostationary communications satellites]] for rebroadcast to the [[WAAS User Segment\|users]].		* 6 Ground Uplink Stations (GUS): they are in charge of the transmission of the WAAS messages generated by WMS stations to the navigation payloads on [[WAAS Space Segment\|Geostationary communications satellites]] for rebroadcast to the [[WAAS User Segment\|users]].
			* 2 Operational Control Centers (OCC), used to monitor the system performance and to carry out the necessary corrective and periodic maintenance operations.<ref>[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/library/documents/media/waas/2892bC2a.pdf Specification for the Wide Area Augmentation System (WAAS), U.S. Department of Transportation Federal Aviation Administration]</ref>

	===List of reference stations===		===List of reference stations===