galileo and egnos - esa · safety of life open, integrity 4. public regulated encrypted, continuous...
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Navigation solutions powered by Europe
Galileo and the ArcticPresentation to the « Space and the Arctic » Workshop
20-21 October 2009, World Trade Centre, Stockholm, SwedenFrank Udnaes, DGTREN G3 Galileo Unit
20th of October 2009
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Navigation solutions powered by Europe
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5 TT&CStations
9 MissionUplink
Stations
European Control Centres
30-40 GalileoSensor Stations
Constellation of 30 MEO Satellites
Galileo System Architecture
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Galileo Services
1. Open Free, Mass Market
2. Commercial Limited, High Accuracy
3. Safety of Life Open, Integrity
4. Public Regulated Encrypted, Continuous
5. Search and Rescue Global, Return Link
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Galileo: Infrastructure Governance
European Parliament&
Council
European Commission
EuropeanSpace
Agency
IndustryProduceAssembleTest
Procurement agentandSystem prime
ProgrammeManager
Political decisions
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Galileo System Testbed v1Validation of critical algorithms
Galileo System Testbed v22 initial test satellites
In-Orbit Validation4 IOV satellites plus
ground segment
Full Operational Capability16 to 30 satellites
2003
2005
2010/2011
Gradual
Galileo Implementation Plan
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Galileo – Medium Earth Orbit (MEO)
Altitude 23222kmInclination 56 degPeriod: 14 hr 22 minGround track repeat about 10 daysOrbit Graveyard at MEO + 300km
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‘It’s there, use it’
‘News of TODAY !’
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What is EGNOS ?
• European• Geostationary• Navigation• Overlay• Service
EGNOS is the European Space BasedAugmentation System (SBAS) to GPS
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2 Support Facilities
6 NavigationLand EarthStations
GPS
Users &ServiceProviders
37 Ranging & Integrity MonitoringStations (RIMS)
3 GEOSatellites
4 MissionControlCentres
EGNOS System Architecture
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What is EGNOS used for ?
• To enhance the performance of the current GNSS (GPS) with additional information to:– Provide Integrity via real-time
monitoring– Improve Accuracy via differential
corrections
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EGNOS Services: >20 years perspective
1. Open Free, Europe, 1mTODAY
2. Safety of Life Compliant aviation standardsMid-2010
3. Commercial Experimental, <1mSince 2008
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3 Geostationary satellites- INMARSAT - INMARSAT- ARTEMIS
EGNOSService Area
EGNOS SatelliteFootprints
EGNOS Service Area
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Conclusions on Galileo in the Arctic
• Galileo is a Global Medium Earth Orbit satellite navigation system and will be available world wide as well as in the Arctic
• Galileo will be an important and useful European navigation and positioning infrastructure in the Arctic and contribute positively to sustainable activities in the region