WAAS Space Segment - Revision history

Gema.Cueto at 07:37, 17 February 2021

2021-02-17T07:37:53Z

← Older revision		Revision as of 07:37, 17 February 2021
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	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 July 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; ~~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 July 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 Space Segment==		==WAAS Space Segment==

Gema.Cueto at 13:28, 27 January 2021

2021-01-27T13:28:57Z

← Older revision		Revision as of 13:28, 27 January 2021
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	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 July 2003.:<ref name="~~WAAS_WIKI~~">[~~http~~://en.~~wikipedia~~.~~org~~/~~wiki~~/~~Wide_Area_Augmentation_System~~ Wide Area ~~Augmentation System in Wikipedia~~]</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 July 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; 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 Space Segment==		==WAAS Space Segment==
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	[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]		[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]

	The WAAS system started with two satellites: Pacific Ocean Region (POR) and Atlantic Ocean Region-West (AOR-W), these satellites ceased WAAS transmissions on July 31, 2007. Before these satellites ceased their transmission, two more satellites, Galaxy15 and AnikF1R, were launched in 2005. After that, a new one added in March 2010, and it started transmitting a test signal whcih wasn't able for navigation but could be received and was reported with the identification number PRN 133 (NMEA#46. In November 2010, this signal was certified and declared available for navigation.:<ref name="WAAS_WIKI/>. The GEO satellites which follow this one are currently operating and included in the following table: <ref name="WAAS_GPS_GOV">[https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ WAAS Space segment information in GPS official web site]</ref>		The WAAS system started with two satellites: Pacific Ocean Region (POR) and Atlantic Ocean Region-West (AOR-W), these satellites ceased WAAS transmissions on July 31, 2007. Before these satellites ceased their transmission, two more satellites, Galaxy15 and AnikF1R, were launched in 2005. After that, a new one added in March 2010, and it started transmitting a test signal whcih wasn't able for navigation but could be received and was reported with the identification number PRN 133 (NMEA#46. In November 2010, this signal was certified and declared available for navigation.:<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>. The GEO satellites which follow this one are currently operating and included in the following table: <ref name="WAAS_GPS_GOV">[https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ WAAS Space segment information in GPS official web site]</ref>

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Gema.Cueto at 08:09, 26 January 2021

2021-01-26T08:09:07Z

← Older revision		Revision as of 08:09, 26 January 2021
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	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 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 July 2003.:<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</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 Space Segment==		==WAAS Space Segment==
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	[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]		[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]

	The WAAS system started with two satellites: Pacific Ocean Region (POR) and Atlantic Ocean Region-West (AOR-W), these satellites ceased WAAS transmissions on July 31, 2007. Before these satellites ceased their transmission, two more satellites, Galaxy15 and AnikF1R, were launched in 2005. After that, a new one added in March 2010, and it started transmitting a test signal whcih wasn't able for navigation but could be received and was reported with the identification number PRN 133 (NMEA#46. In November 2010, this signal was certified and declared available for navigation.:<ref name="WAAS_WIKI~~">[http:~~/~~/en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref~~>. The GEO satellites which follow this one are currently operating and included in the following table: <ref name="WAAS_GPS_GOV">[https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ WAAS Space segment information in GPS official web site]</ref>		The WAAS system started with two satellites: Pacific Ocean Region (POR) and Atlantic Ocean Region-West (AOR-W), these satellites ceased WAAS transmissions on July 31, 2007. Before these satellites ceased their transmission, two more satellites, Galaxy15 and AnikF1R, were launched in 2005. After that, a new one added in March 2010, and it started transmitting a test signal whcih wasn't able for navigation but could be received and was reported with the identification number PRN 133 (NMEA#46. In November 2010, this signal was certified and declared available for navigation.:<ref name="WAAS_WIKI/>. The GEO satellites which follow this one are currently operating and included in the following table: <ref name="WAAS_GPS_GOV">[https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ WAAS Space segment information in GPS official web site]</ref>

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Gema.Cueto: /* WAAS Space Segment */

2021-01-26T08:07:53Z

WAAS Space Segment

← Older revision		Revision as of 08:07, 26 January 2021
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	! NMEA / PRN		! NMEA / PRN
	! Location		! Location
	\|-
	~~\| '''Eutelsat 117 Wet B(SATMEX 9)'''~~
	~~\|NMEA #44 / PRN #131~~
	~~\|117°W~~
	\|-		\|-
	\| '''Anik F1R (CRE)'''		\| '''Anik F1R (CRE)'''
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	\|107.3°W		\|107.3°W
	\|-		\|-
	\| '''SES 15''' <br />		\| '''Eutelsat 117 Wet (GEO5)'''
			\|NMEA #44 / PRN #131
			\|117°W
			\|-
			\| '''SES 15 (GEO6)''' <br />
	\|NMEA #46 / PRN #133		\|NMEA #46 / PRN #133
	\|129°W		\|129°W
	\|-		\|-
	\|}		\|}

			Three future GEO satellites (GEO 7/8/9] are going to be developed in the future to replace the legacy ones upon lease expiration. The first of them, GEO7(Intelsat) is intended to be operational in 2022. <ref>[https://www.gps.gov/multimedia/presentations/2020/CSNC/auerbach.pdf China Satellite Navigation Conference, November 2020]</ref>

	==Notes==		==Notes==

Gema.Cueto: /* WAAS Space Segment */

2021-01-26T08:01:21Z

WAAS Space Segment

← Older revision		Revision as of 08:01, 26 January 2021
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	{\| class="wikitable" align="center"		{\| class="wikitable" align="center"
	\|+align="bottom" \|''WAAS GEO Satellites (adapted from ~~Wide Area Augmentation System article~~ in ~~Wikipedia~~)<ref name="~~WAAS_WIKI~~"/>''		\|+align="bottom" \|''WAAS GEO Satellites (adapted from WAAS Space segment information in GPS official website)<ref name="WAAS_GPS_GOV"/>''
	! Satellite Name & Details		! Satellite Name & Details
	! NMEA / PRN		! NMEA / PRN

Gema.Cueto: /* WAAS Space Segment */

2021-01-26T08:00:16Z

WAAS Space Segment

← Older revision		Revision as of 08:00, 26 January 2021
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	[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]		[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]

	~~As of June 2011~~, ~~the Space segment consists of 3 commercial GEO~~ satellites, ~~[http://nssdc~~.~~gsfc.nasa.gov ''Inmarsat-4 F3'']~~, ~~Telesat's [http://nssdc.gsfc.nasa.gov ''Anik F1R'']~~, and ~~Intelsat's [http://nssdc.gsfc.nasa~~.~~gov ''Galaxy 15'']~~, ~~which has resumed service~~ in March, ~~2011~~.<ref name="~~WAAS News~~">[http://~~www~~.~~faa~~.~~gov~~/~~about~~/~~office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ FAA WAAS News~~]</ref>		The WAAS system started with two satellites: Pacific Ocean Region (POR) and Atlantic Ocean Region-West (AOR-W), these satellites ceased WAAS transmissions on July 31, 2007. Before these satellites ceased their transmission, two more satellites, Galaxy15 and AnikF1R, were launched in 2005. After that, a new one added in March 2010, and it started transmitting a test signal whcih wasn't able for navigation but could be received and was reported with the identification number PRN 133 (NMEA#46. In November 2010, this signal was certified and declared available for navigation.:<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>. The GEO satellites which follow this one are currently operating and included in the following table: <ref name="WAAS_GPS_GOV">[https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/ WAAS Space segment information in GPS official web site]</ref>

	The ~~list of~~ GEO satellites ~~used in WAAS (also in the past)~~ are in the following table:<ref name="~~WAAS_WIKI~~">[~~http~~://en.~~wikipedia~~.~~org~~/~~wiki~~/~~Wide_Area_Augmentation_System Wide Area Augmentation System~~ in ~~Wikipedia~~]</ref>

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	! Location		! Location
	\|-		\|-
	\| '''~~Inmarsat 4F3~~ (~~AMR~~)'''		\| '''Eutelsat 117 Wet B(SATMEX 9)'''
	\|NMEA #46 / PRN #~~133~~		\|NMEA #44 / PRN #131
	\|~~98°W~~		\|117°W
	\|-
	~~\| '''Galaxy 15 (CRW)'''~~
	~~\|NMEA #48 / PRN #135~~
	~~\|133°W~~
	\|-		\|-
	\| '''~~Telesat~~ Anik F1R (CRE)'''		\| '''Anik F1R (CRE)'''
	\|NMEA #51 / PRN #138		\|NMEA #51 / PRN #138
	\|107.3°W		\|107.3°W
	\|-		\|-
	\| '''~~Inmarsat 3F3 (POR)~~''' <br />~~''Ceased WAAS transmissions''~~		\| '''SES 15''' <br />
	\|NMEA #47 / PRN #~~134~~		\|NMEA #46 / PRN #133
	\|~~178°E~~		\|129°W
	\|-		\|-
	~~\| '''Inmarsat 3F4 (AOR-W)''' <br />''Ceased WAAS transmissions''~~
	~~\|NMEA #35 / PRN #122~~
	~~\|142°W~~
	\|}		\|}

Gema.Cueto at 07:33, 26 January 2021

2021-01-26T07:33:09Z

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	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 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 Space Segment==		==WAAS Space Segment==

Claudia.Prajanu at 13:26, 30 September 2018

2018-09-30T13:26:28Z

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	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 Space Segment==		==WAAS Space Segment==
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	[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]		[[File:WAASGEOCoverage.PNG\|Current WAAS GEO Coverage (June 2011)\|300px\|thumb]]

	As of June 2011, the Space segment consists of 3 commercial GEO satellites, [http://nssdc.gsfc.nasa.gov~~/nmc/spacecraftDisplay.do?id=2008-039A~~ ''Inmarsat-4 F3''], Telesat's [http://nssdc.gsfc.nasa.gov~~/nmc/spacecraftDisplay.do?id=2005-036A~~ ''Anik F1R''], and Intelsat's [http://nssdc.gsfc.nasa.gov~~/nmc/spacecraftDisplay.do?id=2005-041A~~ ''Galaxy 15''], which has resumed service in March, 2011.<ref name="WAAS News">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ FAA WAAS News]</ref>		As of June 2011, the Space segment consists of 3 commercial GEO satellites, [http://nssdc.gsfc.nasa.gov ''Inmarsat-4 F3''], Telesat's [http://nssdc.gsfc.nasa.gov ''Anik F1R''], and Intelsat's [http://nssdc.gsfc.nasa.gov ''Galaxy 15''], which has resumed service in March, 2011.<ref name="WAAS News">[http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas/news/ FAA WAAS News]</ref>

	The list of GEO satellites used in WAAS (also in the past) are in the following table:<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>		The list of GEO satellites used in WAAS (also in the past) are in the following table:<ref name="WAAS_WIKI">[http://en.wikipedia.org/wiki/Wide_Area_Augmentation_System Wide Area Augmentation System in Wikipedia]</ref>

Filipe.Pelica: Included editor logo.

2014-09-18T17:15:47Z

Included editor logo.

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Carlos.Lopez at 11:14, 23 February 2012

2012-02-23T11:14:11Z

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	\|YearOfPublication=2011		\|YearOfPublication=2011