munich satnav, 022106 munich satellite navigation summit february 21-23, 2006 michael e. shaw...
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National Space-Based PNT Coordination Office NPCO SATNAV 063 New Horizons Sep 2005 – launch GPS with 2 nd civil signal Dec 2005 – launch first Galileo test satellite Dec 2005 – launch 3 GLONASS satellites This year – European EGNOS goes operational Japan preparing for MTSAT ops and QZSS India moving ahead with GAGAN and IRNS Interoperability key to seamless global operationsTRANSCRIPT
![Page 1: Munich SATNAV, 022106 Munich Satellite Navigation Summit February 21-23, 2006 Michael E. Shaw Director, U.S. National Space-Based PNT Coordination Office](https://reader036.vdocuments.mx/reader036/viewer/2022062311/5a4d1b587f8b9ab0599aa1c6/html5/thumbnails/1.jpg)
Munich SATNAV, 022106
Munich Satellite Navigation SummitFebruary 21-23, 2006
Michael E. ShawDirector, U.S. National Space-Based PNT
Coordination Office
National Space-Based PNTCoordination Office
The Growing Impact of Satellite Navigation Services
“GPS and Galileo ..Creating New Services”
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NPCO SATNAV 06 2
National Space-Based PNTCoordination Office
SatNav/GPS Today• Satellite navigation is a global utility with GPS
providing solid foundation for international use– Consistent, predictable, dependable performance– Facilitating efficiency, safety, environment, public
security, scientific and many other innovations
• GPS and its augmentations was a wonderful concept 15-20 years ago, now a reality like Internet – Augmentations assure safety services and further improve
performance free of direct use charges– Scalable applications enabling untold, new capabilities– Toolkit — plug in, use what you need, add what you want
Available Now--Empowering the Future
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NPCO SATNAV 06 3
National Space-Based PNTCoordination Office
New Horizons
• Sep 2005 – launch GPS with 2nd civil signal
• Dec 2005 – launch first Galileo test satellite
• Dec 2005 – launch 3 GLONASS satellites
• This year – European EGNOS goes operational
• Japan preparing for MTSAT ops and QZSS
• India moving ahead with GAGAN and IRNSInteroperability key to seamless global operations
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4
National Space-Based PNTCoordination Office
• 1st modernized satellite (IIR-M)– Set operational Dec 16, 2005– Broadcasting L2C and M-Code
• 5 new monitor stations integrated into GPS operational network– 6 more stations to follow by end of year
• Accuracy Improvement Initiative– Improves accuracy 10-15%
• GPS Ops Center (GPSOC) on-line– Supporting customers worldwide
Recent GPS Improvements
GPS continuing to improve its global service
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NPCO SATNAV 06 5
National Space-Based PNTCoordination Office
U.S. Policy Update • Policy expanded to address all Space-
Based Positioning, Navigation, and Timing – GPS and augmentations – Recognizes other States as service providers
• New U.S. Management Processes– National Space-Based PNT Executive
Committee and National Coordination Office
• Establishing a formal Advisory Committee – Assessing best means for international
participationDemonstrates U.S. Government commitment to
all stakeholders, including international community
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NPCO SATNAV 06 6
National Space-Based PNTCoordination Office
U.S. Policy Update
• Recognizes increased civil, commercial, homeland security and scientific use– Spans economic and critical infrastructures – Need to plan for backup capabilities and services
• Commits to continued modernization of GPS and its augmentations for improving global services – Keeps GPS free of direct user fees – Maintains open, free access to information necessary
to use these civil services– Reaffirms end of civil service degradation (SA)– Performance to meet, or exceed, foreign PNT systems
• Work to ensure that foreign PNT systems are interoperable, as well as compatible, with GPS
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NPCO SATNAV 06 7
National Space-Based PNTCoordination Office
Investments for the Future• All future GPS will transmit the 2nd civil signal
(L2C)• GLONASS and augmentations expanding • First GPS launch with 3rd civil signal (L5) – Jan
2007• Full Galileo constellation – 2011-2012 • Completing definition phase for GPS III
– Introduces new capabilities including L1C (2013-2030)
• Promotes opportunities for greater cooperation in future system of systemsSpace-based PNT is centerpiece of the future
transportation infrastructure
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NPCO SATNAV 06 8
National Space-Based PNTCoordination Office
• U.S. looks forward to working with all to ensure GNSS systems are interoperable for the benefit of all users worldwide
• GPS will continue modernizing and improving its capabilities to remain a leader in GNSS global capabilities
The Way Ahead
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NPCO SATNAV 06 9
National Space-Based PNTCoordination Office
• BACKUPS
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NPCO SATNAV 06 10
National Space-Based PNTCoordination Office
Overview
• New Horizons
• GPS Today
• U.S. Policy Update
• Investments for the Future
• The Way Ahead
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NPCO SATNAV 06 11
National Space-Based PNTCoordination Office
4.6 4.3
3.02.7
2.11.8
1.51.1
0
1
2
3
4
5
6
7
1990 1992 1994 1996 1997 1999 2001 2005
RM
S U
RE
(m)
GPS Single Frequency Performance
Decreasing range error
Standard
Signal in Space RMS URE: Root Mean Square User Range Error
Continuously Improving GPS Performance
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NPCO SATNAV 06 12
National Space-Based PNTCoordination Office
GPS Constellation Status
• 16 Block II/IIA satellites operational• 12 Block IIR satellites operational
– Modernizing 8 more Block IIR satellites• First Block IIR-M now in orbit
– Launched Sep 25, 2005– GPS IIF launch projected for Jan 2007
• Continuously assessing constellation health to determine launch need – Next launch no earlier than May 2006
• Global GPS civil service performance commitment met continuously without interruption since Dec 1993
29 Operating Satellites (to ensure 24)
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NPCO SATNAV 06 13
National Space-Based PNTCoordination Office
Ground Differential GPS Networks
Over 50 international partners provide common services for maritime use--now expanding to inland
applications
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NPCO SATNAV 06 14
National Space-Based PNTCoordination Office
GPS Space-Based Augmentations
• Geostationary satellites provide regional coverage• GPS-like signals permit use by simple receivers• International Partner Service Providers
– US (WAAS), Europe (EGNOS), Japan (MTSAT), and India (GAGAN)
– WAAS operational – Jul 03; Expanding capability with L5 – GPS-based EGNOS leading way for Galileo
• Independent signal monitoring supports the interests of each individual State– International assured aviation integrity standard
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NPCO SATNAV 06 15
National Space-Based PNTCoordination Office
GPS Space-Based Augmentations
Japanese MSAS U.S. WAAS E.U. EGNOSIndian GAGAN