EGNOS Future and Evolutions - Revision history

Gema.Cueto: Updated reference ICD/SDD links

2026-04-19T21:43:11Z

Updated reference ICD/SDD links

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	The [[Wikipedia:European Commission\|European Commission (EC)]] intends to ensure the future of [[EGNOS Services\|EGNOS services]] for GPS L1 legacy users until at least 2030.<ref name="EGNOS SoL SDD">[~~http~~://~~www~~.~~essp~~-~~sas~~.eu/~~service_definition_documents~~ EGNOS Safety of Life Service Definition Document]</ref> In this context, the budget should be secured to operate the system and manage the system obsolescence. Moreover, major EGNOS system evolutions (EGNOS V3) towards a multi frequency and multi constellation configuration are currently being assessed with the objective to have them operational by 2025.<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>		The [[Wikipedia:European Commission\|European Commission (EC)]] intends to ensure the future of [[EGNOS Services\|EGNOS services]] for GPS L1 legacy users until at least 2030.<ref name="EGNOS SoL SDD">[https://egnos.gsc-europa.eu/sites/default/files/documents/egnos_sol_sdd_in_force.pdf?v=1726657048 EGNOS Safety of Life Service Definition Document]</ref> In this context, the budget should be secured to operate the system and manage the system obsolescence. Moreover, major EGNOS system evolutions (EGNOS V3) towards a multi frequency and multi constellation configuration are currently being assessed with the objective to have them operational by 2025.<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>

	A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.		A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.

Gema.Cueto: /* The European GNSS Evolution Programme */

2020-03-18T15:51:33Z

The European GNSS Evolution Programme

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	EGEP also provides a framework for scientific research enabled by GNSS, which spans a wide range of disciplines, from atmosphere and climate modelling through time and space references to fundamental physics.		EGEP also provides a framework for scientific research enabled by GNSS, which spans a wide range of disciplines, from atmosphere and climate modelling through time and space references to fundamental physics.
	The programme is being implemented through activities anchored in Work Plans that are being successively defined by the Agency and approved by the Participating States according to the following objectives: <ref>[https://www.esa.int/Our_Activities/Navigation/GNSS_Evolution/About_the_European_GNSS_Evolution_Programme]</ref>		The programme is being implemented through activities anchored in Work Plans that are being successively defined by the Agency and approved by the Participating States according to the following objectives: <ref>[https://www.esa.int/Our_Activities/Navigation/GNSS_Evolution/About_the_European_GNSS_Evolution_Programme About the European GNSS Evolution Programme]</ref>

	*begin defining future system architectures for EGNOS and Galileo and prepare the technology for future versions of these systems		*begin defining future system architectures for EGNOS and Galileo and prepare the technology for future versions of these systems

Gema.Cueto: /* EGNOS Mission Roadmap and EGNOS Evolutions */

2020-03-18T15:50:30Z

EGNOS Mission Roadmap and EGNOS Evolutions

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	The major evolution requires a full dedicated engineering cycle starting from the definition of the mission of the system highly coupled with a technical feasibility analysis in coordination with the evolution of the SBAS standards.		The major evolution requires a full dedicated engineering cycle starting from the definition of the mission of the system highly coupled with a technical feasibility analysis in coordination with the evolution of the SBAS standards.

	As regards the consolidation of the new EGNOS missions, the European Commission set up a consultative group of GNSS experts called the Mission Evolution Advisory Group (MEAG). MEAG aims at providing EC with independent advice and ''recommendations on potential evolutions of the mission objectives and the service definitions for the European satellite navigation programmes Galileo and EGNOS''.<ref> ~~Call for Applications for the Establishment of the~~ Mission Evolution Advisory Group~~, European Commission Enterprise and Industry~~</ref>		As regards the consolidation of the new EGNOS missions, the European Commission set up a consultative group of GNSS experts called the Mission Evolution Advisory Group (MEAG). MEAG aims at providing EC with independent advice and ''recommendations on potential evolutions of the mission objectives and the service definitions for the European satellite navigation programmes Galileo and EGNOS''.<ref>[https://ec.europa.eu/growth/content/call-applications-selection-new-members-mission-evolution-advisory-group-meag_es Mission Evolution Advisory Group (MEAG)]</ref>
	The group is expected to critically assess changes of both user needs and scope of space-based PNT, both on European and international scale. Changes on the mission and service requirements for the Galileo and EGNOS programme may be analysed too, proposing suitable updates of the mission and service baseline.		The group is expected to critically assess changes of both user needs and scope of space-based PNT, both on European and international scale. Changes on the mission and service requirements for the Galileo and EGNOS programme may be analysed too, proposing suitable updates of the mission and service baseline.
	MEAG members include experts from GNSS user communities, GNSS industry sectors, academia, national space agencies and other recognized experts from Member States. The MEAG meets on a regular basis with an indicative number of three meetings per year. The expert group may establish on an ad-hoc basis Working Groups to provide specialist support as required to carry out its activities. The MEAG shall further record and report its work results and recommendations on a yearly basis to the Commission.		MEAG members include experts from GNSS user communities, GNSS industry sectors, academia, national space agencies and other recognized experts from Member States. The MEAG meets on a regular basis with an indicative number of three meetings per year. The expert group may establish on an ad-hoc basis Working Groups to provide specialist support as required to carry out its activities. The MEAG shall further record and report its work results and recommendations on a yearly basis to the Commission.

Gema.Cueto at 15:48, 18 March 2020

2020-03-18T15:48:23Z

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	A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.		A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.
	During the 6.5 year contract, around 100 people and 20 subcontractors will work on delivering the EGNOS V3 system. In 2023, the single frequency version will be available to replace the current operational version and, 18 months later, the final version in dual frequency will be delivered.		During the 6.5 year contract, around 100 people and 20 subcontractors will work on delivering the EGNOS V3 system. In 2023, the single frequency version will be available to replace the current operational version and, 18 months later, the final version in dual frequency will be delivered.
	EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse. EGNOS will also use geostationary satellites navigation payload.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html]</ref>		EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse. EGNOS will also use geostationary satellites navigation payload.<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>

Gema.Cueto: /* The European GNSS Evolution Programme */

2020-03-18T15:46:59Z

The European GNSS Evolution Programme

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	Among many other tasks, the first phase of this programme included two parallel studies about the concept of Multi-Constellation Regional System (MRS) over 2007-2009. An outcome of this work was a generic MRS architecture baseline that should be considered as a candidate target for V3 functional architecture and further assessed and refined within the EGNOS V3 phase A definition study.<ref name="EGNOS V3 SOW">Statement of Work EGNOS V3 Definition Phase, ESA-DTEN-NF-SoW/01281, Issue 1.0, 08/07/2010, ESA.</ref>		Among many other tasks, the first phase of this programme included two parallel studies about the concept of Multi-Constellation Regional System (MRS) over 2007-2009. An outcome of this work was a generic MRS architecture baseline that should be considered as a candidate target for V3 functional architecture and further assessed and refined within the EGNOS V3 phase A definition study.<ref name="EGNOS V3 SOW">Statement of Work EGNOS V3 Definition Phase, ESA-DTEN-NF-SoW/01281, Issue 1.0, 08/07/2010, ESA.</ref>

	The second phase of EGEP on SBAS (over 2010-2011) is devoted to the consolidation of system evolutions and to field testing. It is broken down into three main parts:<ref name="EGNOS V3 SOW"/>		The second phase of EGEP on SBAS (over 2010-2011) was devoted to the consolidation of system evolutions and to field testing. It is broken down into three main parts:<ref name="EGNOS V3 SOW"/>
	* EGNOS V3 Definition Phase, aiming at preparing the new EGNOS system generation to address obsolescence issues, robustness improvement, new services, standard evolutions, coverage extension, use of new broadcast means, with a view to start preparing the EGNOS V3 implementation phase at a later stage (post 2013).		* EGNOS V3 Definition Phase, aiming at preparing the new EGNOS system generation to address obsolescence issues, robustness improvement, new services, standard evolutions, coverage extension, use of new broadcast means, with a view to start preparing the EGNOS V3 implementation phase at a later stage (post 2013).
	* Experimentations with several Test-Beds based on using a complete or partial SPEED (Support Platform for EGNOS Evolutions & Demonstrations) infrastructure.		* Experimentations with several Test-Beds based on using a complete or partial SPEED (Support Platform for EGNOS Evolutions & Demonstrations) infrastructure.
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	* MLU (MRS Land User service) to investigate, demonstrate and develop new services for Land Users: Proof of Position, Authentication and Emergency Services.		* MLU (MRS Land User service) to investigate, demonstrate and develop new services for Land Users: Proof of Position, Authentication and Emergency Services.

	In 2011, two parallel contracts have been commissioned by ESA to perform a Phase A (feasibility) study of EGNOS V3 Phase A. These studies ~~are considering~~ different target missions with different levels of consolidation:<ref>EGNOS V3 Mission Guidelines Document, E-RD-SYS-E-0039-ESA, Issue 1.1, 18/01/2011, European Space Agency</ref>		In 2011, two parallel contracts have been commissioned by ESA to perform a Phase A (feasibility) study of EGNOS V3 Phase A. These studies considered different target missions with different levels of consolidation:<ref>EGNOS V3 Mission Guidelines Document, E-RD-SYS-E-0039-ESA, Issue 1.1, 18/01/2011, European Space Agency</ref>

	*Consolidated Missions:		*Consolidated Missions:

Gema.Cueto: /* EGNOS Mission Roadmap and EGNOS Evolutions */

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EGNOS Mission Roadmap and EGNOS Evolutions

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	<ref>[http://gpsworld.com/egnos-services-ensured-long-term-thanks-to-ses-5-geo-satellite/ EGNOS Services Ensured Long Term, Thanks to SES-5 GEO Satellite]</ref>		<ref>[http://gpsworld.com/egnos-services-ensured-long-term-thanks-to-ses-5-geo-satellite/ EGNOS Services Ensured Long Term, Thanks to SES-5 GEO Satellite]</ref>

	Changes in the EGNOS Space Segment configuration have been introduced in order to use the newest GEO satellites in detriment of the older ones. See [EGNOS Space Segment \| EGNOS Space Segment] for details regarding the current operational platform.		Changes in the EGNOS Space Segment configuration have been introduced in order to use the newest GEO satellites in detriment of the older ones. See [[EGNOS Space Segment \| EGNOS Space Segment]] for details regarding the current operational platform.

	==The European GNSS Evolution Programme==		==The European GNSS Evolution Programme==

Gema.Cueto: /* EGNOS Mission Roadmap and EGNOS Evolutions */

2020-03-18T15:45:29Z

EGNOS Mission Roadmap and EGNOS Evolutions

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	<ref>[http://gpsworld.com/egnos-services-ensured-long-term-thanks-to-ses-5-geo-satellite/ EGNOS Services Ensured Long Term, Thanks to SES-5 GEO Satellite]</ref>		<ref>[http://gpsworld.com/egnos-services-ensured-long-term-thanks-to-ses-5-geo-satellite/ EGNOS Services Ensured Long Term, Thanks to SES-5 GEO Satellite]</ref>

	Changes in the EGNOS Space Segment configuration have been introduced in order to use the newest GEO satellites in detriment of the older ones. See [EGNOS Space Segment\|EGNOS Space Segment] for details regarding the current operational platform.		Changes in the EGNOS Space Segment configuration have been introduced in order to use the newest GEO satellites in detriment of the older ones. See [EGNOS Space Segment \| EGNOS Space Segment] for details regarding the current operational platform.

	==The European GNSS Evolution Programme==		==The European GNSS Evolution Programme==

Gema.Cueto: /* EGNOS Mission Roadmap and EGNOS Evolutions */

2020-03-18T15:45:16Z

EGNOS Mission Roadmap and EGNOS Evolutions

Gema.Cueto at 15:41, 18 March 2020

2020-03-18T15:41:58Z

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	The [[Wikipedia:European Commission\|European Commission (EC)]] intends to ensure the future of [[EGNOS Services\|EGNOS services]] for GPS L1 legacy users until at least 2030.<ref name="EGNOS SoL SDD">[http://www.essp-sas.eu/service_definition_documents EGNOS Safety of Life Service Definition Document]</ref> In this context, the budget should be secured to operate the system and manage the system obsolescence. Moreover, major EGNOS system evolutions (EGNOS V3) towards a multi frequency and multi constellation configuration are currently being assessed with the objective to have them operational by 2025.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>		The [[Wikipedia:European Commission\|European Commission (EC)]] intends to ensure the future of [[EGNOS Services\|EGNOS services]] for GPS L1 legacy users until at least 2030.<ref name="EGNOS SoL SDD">[http://www.essp-sas.eu/service_definition_documents EGNOS Safety of Life Service Definition Document]</ref> In this context, the budget should be secured to operate the system and manage the system obsolescence. Moreover, major EGNOS system evolutions (EGNOS V3) towards a multi frequency and multi constellation configuration are currently being assessed with the objective to have them operational by 2025.<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>

	A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.		A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref name="EGNOS V3 contract">[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.
	During the 6.5 year contract, around 100 people and 20 subcontractors will work on delivering the EGNOS V3 system. In 2023, the single frequency version will be available to replace the current operational version and, 18 months later, the final version in dual frequency will be delivered.		During the 6.5 year contract, around 100 people and 20 subcontractors will work on delivering the EGNOS V3 system. In 2023, the single frequency version will be available to replace the current operational version and, 18 months later, the final version in dual frequency will be delivered.
	EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse. EGNOS will also use geostationary satellites navigation payload.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html]</ref>		EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse. EGNOS will also use geostationary satellites navigation payload.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html]</ref>

Gema.Cueto at 15:40, 18 March 2020

2020-03-18T15:40:22Z

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	The [[Wikipedia:European Commission\|European Commission (EC)]] intends to ensure the future of [[EGNOS Services\|EGNOS services]] for GPS L1 legacy users until at least 2030.<ref name="EGNOS SoL SDD">[http://www.essp-sas.eu/service_definition_documents EGNOS Safety of Life Service Definition Document]</ref> In this context, the budget should be secured to operate the system and manage the system obsolescence. Moreover, major EGNOS system evolutions (EGNOS V3) towards a multi frequency and multi constellation configuration are currently being assessed with the objective to have them operational by 2025.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>		The [[Wikipedia:European Commission\|European Commission (EC)]] intends to ensure the future of [[EGNOS Services\|EGNOS services]] for GPS L1 legacy users until at least 2030.<ref name="EGNOS SoL SDD">[http://www.essp-sas.eu/service_definition_documents EGNOS Safety of Life Service Definition Document]</ref> In this context, the budget should be secured to operate the system and manage the system obsolescence. Moreover, major EGNOS system evolutions (EGNOS V3) towards a multi frequency and multi constellation configuration are currently being assessed with the objective to have them operational by 2025.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref>

	A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3, leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.		A technical assessment of the potential EGNOS evolution, EGNOS V3, is currently done by the European Space Agency within the European GNSS Evolution Programme. Airbus has been selected by the European Space Agency (ESA) as the prime contractor to develop EGNOS V3,<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html Award of EGNOS V3 contract]</ref> leading a consortium with partners from France, Germany, Spain and Switzerland. Airbus is responsible for the development, integration, deployment and preparation of EGNOS V3 operations, the overall performance of the system and the Central Processing Facility which is the heart of the real time navigation algorithms.
	During the 6.5 year contract, around 100 people and 20 subcontractors will work on delivering the EGNOS V3 system. In 2023, the single frequency version will be available to replace the current operational version and, 18 months later, the final version in dual frequency will be delivered.		During the 6.5 year contract, around 100 people and 20 subcontractors will work on delivering the EGNOS V3 system. In 2023, the single frequency version will be available to replace the current operational version and, 18 months later, the final version in dual frequency will be delivered.
	EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse. EGNOS will also use geostationary satellites navigation payload.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html]</ref>		EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse. EGNOS will also use geostationary satellites navigation payload.<ref>[https://www.airbus.com/newsroom/press-releases/en/2018/01/airbus-selected-by-esa-for-egnos-v3-programme.html]</ref>

← Older revision		Revision as of 15:45, 18 March 2020
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	==EGNOS Mission Roadmap and EGNOS Evolutions==		==EGNOS Mission Roadmap and EGNOS Evolutions==
	The European Parliament and the Council ~~have~~ assigned the management of the EGNOS programme to the European Commission.<ref>[http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:196:0001:0011:en:PDF Regulation (EC) No 683/2008 of the European Parliament and of the Council of 9 July 2008 on the further implementation of the European satellite navigation programmes (EGNOS and Galileo)]</ref> On the other hand, ESA is the technical player responsible for system design		The European Parliament and the Council assigned the management of the EGNOS programme to the European Commission.<ref>[http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:196:0001:0011:en:PDF Regulation (EC) No 683/2008 of the European Parliament and of the Council of 9 July 2008 on the further implementation of the European satellite navigation programmes (EGNOS and Galileo)]</ref> On the other hand, ESA is the technical player responsible for system design
	and development, and ESSP is the service provider.<ref name="Mid-term review">[http://europa.eu/rapid/press-release_MEMO-11-26_en.htm Mid-term review of the European satellite radio navigation programmes]</ref>		and development, and ESSP is the service provider.<ref name="Mid-term review">[http://europa.eu/rapid/press-release_MEMO-11-26_en.htm Mid-term review of the European satellite radio navigation programmes]</ref>

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	The major evolution requires a full dedicated engineering cycle starting from the definition of the mission of the system highly coupled with a technical feasibility analysis in coordination with the evolution of the SBAS standards.		The major evolution requires a full dedicated engineering cycle starting from the definition of the mission of the system highly coupled with a technical feasibility analysis in coordination with the evolution of the SBAS standards.

	As regards the consolidation of the new EGNOS missions, the European Commission ~~is in the process of setting~~ up a consultative group of GNSS experts called the Mission Evolution Advisory Group (MEAG). MEAG aims at providing EC with independent advice and ''recommendations on potential evolutions of the mission objectives and the service definitions for the European satellite navigation programmes Galileo and EGNOS''.<ref> Call for Applications for the Establishment of the Mission Evolution Advisory Group, European Commission Enterprise and Industry</ref>		As regards the consolidation of the new EGNOS missions, the European Commission set up a consultative group of GNSS experts called the Mission Evolution Advisory Group (MEAG). MEAG aims at providing EC with independent advice and ''recommendations on potential evolutions of the mission objectives and the service definitions for the European satellite navigation programmes Galileo and EGNOS''.<ref> Call for Applications for the Establishment of the Mission Evolution Advisory Group, European Commission Enterprise and Industry</ref>
	The group is expected to critically assess changes of both user needs and scope of space-based PNT, both on European and international scale. Changes on the mission and service requirements for the Galileo and EGNOS programme ~~will~~ be analysed too, proposing suitable updates of the mission and service baseline.		The group is expected to critically assess changes of both user needs and scope of space-based PNT, both on European and international scale. Changes on the mission and service requirements for the Galileo and EGNOS programme may be analysed too, proposing suitable updates of the mission and service baseline.
	MEAG members include experts from GNSS user communities, GNSS industry sectors, academia, national space agencies and other recognized experts from Member States. The MEAG meets on a regular basis with an indicative number of three meetings per year. The expert group may establish on an ad-hoc basis Working Groups to provide specialist support as required to carry out its activities. The MEAG shall further record and report its work results and recommendations on a yearly basis to the Commission.		MEAG members include experts from GNSS user communities, GNSS industry sectors, academia, national space agencies and other recognized experts from Member States. The MEAG meets on a regular basis with an indicative number of three meetings per year. The expert group may establish on an ad-hoc basis Working Groups to provide specialist support as required to carry out its activities. The MEAG shall further record and report its work results and recommendations on a yearly basis to the Commission.

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	The European Commission and the European Space Agency are very active in the different international co-operation fora in [[SBAS Standards\|SBAS standardisation]] and [[SBAS Interoperability\|SBAS interoperability]] ensuring the co-ordination of the EGNOS evolution with that of the other [[SBAS Systems\|SBAS in the world]].		The European Commission and the European Space Agency are very active in the different international co-operation fora in [[SBAS Standards\|SBAS standardisation]] and [[SBAS Interoperability\|SBAS interoperability]] ensuring the co-ordination of the EGNOS evolution with that of the other [[SBAS Systems\|SBAS in the world]].

	On September 2015, after extensive ground and space testing, the SES-5 GEO satellite ~~has~~ entered into the EGNOS operational platform, replacing Inmarsat-4F2. The satellite ~~will ensure~~ reliable EGNOS services until 2026. It has been introduced through EGNOS System Release V241M, which ~~will enable~~ a range of performance improvements.		On September 2015, after extensive ground and space testing, the SES-5 GEO satellite entered into the EGNOS operational platform, replacing Inmarsat-4F2. The satellite ensures reliable EGNOS services until 2026. It has been introduced through EGNOS System Release V241M, which enables a range of performance improvements.
	<ref>[http://gpsworld.com/egnos-services-ensured-long-term-thanks-to-ses-5-geo-satellite/ EGNOS Services Ensured Long Term, Thanks to SES-5 GEO Satellite]</ref>		<ref>[http://gpsworld.com/egnos-services-ensured-long-term-thanks-to-ses-5-geo-satellite/ EGNOS Services Ensured Long Term, Thanks to SES-5 GEO Satellite]</ref>

	In the ~~end of March 2017 PRN 123 was~~ introduced in the ~~operational platform while PRN 136 was moved from the operational to~~ the ~~test platform~~.~~<ref>~~[~~http://gpsworld.com/egnos-satellite-messages-changing-this-month/~~ EGNOS ~~satellite messages changing this month~~]~~</ref><ref>[https://egnos-user-support~~.~~essp-sas.eu/new_egnos_ops/sites/default/files/library/official_docs/service_notice_15.pdf EGNOS Service Notice 15]</ref>~~		Changes in the EGNOS Space Segment configuration have been introduced in order to use the newest GEO satellites in detriment of the older ones. See [EGNOS Space Segment\|EGNOS Space Segment] for details regarding the current operational platform.

	==The European GNSS Evolution Programme==		==The European GNSS Evolution Programme==