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The MTSAT Satellite Augmentation System ([[MSAS General Introduction|MSAS]]) is the Japanese [[SBAS General Introduction|Satellite Based Augmentation System (SBAS)]] System:<ref name="MSAS_STATUS_2007">[http://www.oosa.unvienna.org/pdf/icg/2007/icg2/presentations/04_01.pdf MSAS Current Status, Japan Civil Aviation Bureau,] [http://www.oosa.unvienna.org/oosa/SAP/gnss/icg/icg02/presentations.html Second Meeting of the International Committee on Global Navigation Satellite Systems (ICG) organized by the International Space Research Organization,  Bangalore, India , 5 - 7 September 2007]</ref> a GPS Augmentation system with the goal of improving its accuracy, integrity, and availability, and that uses the Multifunctional Transport Satellites (MTSAT)  owned and operated by the [http://www.mlit.go.jp Japanese Ministry of Land, Infrastructure and Transport] and the [http://www.jma.go.jp Japan Meteorological Agency (JMA).]<ref name=MTSAS_WIKI_1>[http://en.wikipedia.org/wiki/Multi-Functional_Transport_Satellite Multi-Functional Transport Satellite] in [http://en.wikipedia.org/ Wikipedia]</ref>  
The MTSAT Satellite Augmentation System ([[Work in Progress:MSAS General Introduction|MSAS]]) is the Japanese [[SBAS General Introduction|Satellite Based Augmentation System (SBAS)]] System:<ref name="MSAS_STATUS_2007">[http://www.oosa.unvienna.org/pdf/icg/2007/icg2/presentations/04_01.pdf MSAS Current Status, Japan Civil Aviation Bureau,] [http://www.oosa.unvienna.org/oosa/SAP/gnss/icg/icg02/presentations.html Second Meeting of the International Committee on Global Navigation Satellite Systems (ICG) organized by the International Space Research Organization,  Bangalore, India , 5 - 7 September 2007]</ref> a GPS Augmentation system with the goal of improving its accuracy, integrity, and availability, and that uses the Multifunctional Transport Satellites (MTSAT)  owned and operated by the [http://www.mlit.go.jp Japanese Ministry of Land, Infrastructure and Transport] and the [http://www.jma.go.jp Japan Meteorological Agency (JMA).]<ref name=MTSAS_WIKI_1>[http://en.wikipedia.org/wiki/Multi-Functional_Transport_Satellite Multi-Functional Transport Satellite] in [http://en.wikipedia.org/ Wikipedia]</ref>  
   
   
First tests were accomplished successfully, and MSAS system for aviation use was declared operational in September 27, 2007,<ref name="MSAS_STATUS_2007_2">[http://www.navcen.uscg.gov/pdf/cgsicMeetings/47/%5B24%5Dqzzmsas.pdf QZSS / MSAS Status,] CGSIC –47th Meeting ,Fort Worth, Texas September25, 2007, Satoshi KOGURE, [http://www.jaxa.jp/index_e.html Japan Aerospace Exploration Agency,] QZSS Project Team</ref><ref name="MSAS_GPSW">[http://www.gpsworld.com/survey/perspectives-late-april-2008-7289 Eric Gakstatter, Perspectives - Late April 2008, GPSworld, April 15, 2008]</ref><ref name=MSAS_WIKI_2>[http://en.wikipedia.org/wiki/Multi-functional_Satellite_Augmentation_System Multi-functional Satellite Augmentation System] in [http://en.wikipedia.org/ Wikipedia]</ref> providing a service of horizontal guidance for En-route through Non-Precision Approach.<ref name="MSAS_STATUS_2007"/><ref name="MSAS_STATUS_2007_2"/><ref name="MSAS_STATUS_2008">[http://www.oosa.unvienna.org/pdf/icg/2008/icg3/08-1.pdf Overview of MSAS, Presentation for ICG-3, 2008]</ref>
First tests were accomplished successfully, and MSAS system for aviation use was declared operational in September 27, 2007,<ref name="MSAS_STATUS_2007_2">[http://www.navcen.uscg.gov/pdf/cgsicMeetings/47/%5B24%5Dqzzmsas.pdf QZSS / MSAS Status,] CGSIC –47th Meeting ,Fort Worth, Texas September25, 2007, Satoshi KOGURE, [http://www.jaxa.jp/index_e.html Japan Aerospace Exploration Agency,] QZSS Project Team</ref><ref name="MSAS_GPSW">[http://www.gpsworld.com/survey/perspectives-late-april-2008-7289 Eric Gakstatter, Perspectives - Late April 2008, GPSworld, April 15, 2008]</ref><ref name=MSAS_WIKI_2>[http://en.wikipedia.org/wiki/Multi-functional_Satellite_Augmentation_System Multi-functional Satellite Augmentation System] in [http://en.wikipedia.org/ Wikipedia]</ref> providing a service of horizontal guidance for En-route through Non-Precision Approach.<ref name="MSAS_STATUS_2007"/><ref name="MSAS_STATUS_2007_2"/><ref name="MSAS_STATUS_2008">[http://www.oosa.unvienna.org/pdf/icg/2008/icg3/08-1.pdf Overview of MSAS, Presentation for ICG-3, 2008]</ref>

Revision as of 18:18, 8 November 2011


MSASMSAS
Title MSAS Performances
Author(s) GMV
Level Basic
Year of Publication 2011
Logo GMV.png

The MTSAT Satellite Augmentation System (MSAS) is the Japanese Satellite Based Augmentation System (SBAS) System:[1] a GPS Augmentation system with the goal of improving its accuracy, integrity, and availability, and that uses the Multifunctional Transport Satellites (MTSAT) owned and operated by the Japanese Ministry of Land, Infrastructure and Transport and the Japan Meteorological Agency (JMA).[2]

First tests were accomplished successfully, and MSAS system for aviation use was declared operational in September 27, 2007,[3][4][5] providing a service of horizontal guidance for En-route through Non-Precision Approach.[1][3][6]


MSAS Performances

MSAS for aviation use was commissioned on September 27, 2007. MSAS provides service for air navigation with the following characteristics:[6]

  • 24 hours a day, 7 days a week.
  • Operational Information is provided as notice to airmen (NOTAM).[7]
  • Use for En-route through Non Precision Approach (NPA) phase of flight, horizontal guidance only.
  • Service over the Fukuoka Flight Information Region.

Performances are usually described in terms of accuracy, integrity, availability and continuity. The MSAS Performance Requirements Vs. observed performances for En-route through Non Precision Approach (NPA) phase of flight are:[6]

  • Horizontal Accuracy (95%)
    • Required : Less than 220m (with SA on)
    • Observed value is less than 2.2m
  • Integrity (Probability of HMI)
    • Required : Less than 1x10-7/hour
    • Fault Tree Analysis leads 0.903x10-7/hour
  • Availability
    • Required : More than 99.9%
    • Observed : 99.926%

For the near future, there is a plan under development with the following priorities:

  • Support LPV-200 capability (additional GMS, software improvement).
  • Changes for transition to dual frequency SBAS (L1-L5) operations.

Notes

References

  1. ^ a b MSAS Current Status, Japan Civil Aviation Bureau, Second Meeting of the International Committee on Global Navigation Satellite Systems (ICG) organized by the International Space Research Organization, Bangalore, India , 5 - 7 September 2007
  2. ^ Multi-Functional Transport Satellite in Wikipedia
  3. ^ a b QZSS / MSAS Status, CGSIC –47th Meeting ,Fort Worth, Texas September25, 2007, Satoshi KOGURE, Japan Aerospace Exploration Agency, QZSS Project Team
  4. ^ Eric Gakstatter, Perspectives - Late April 2008, GPSworld, April 15, 2008
  5. ^ Multi-functional Satellite Augmentation System in Wikipedia
  6. ^ a b c Overview of MSAS, Presentation for ICG-3, 2008
  7. ^ Description of NOTAM
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