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Quashi-Zenith Satellite System (QZSS)
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National Space Policy Secretariat, Cabinet Office
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PS/IS-QZSS
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QZSS Satellite Information
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List of products that support Michibiki
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What's New
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Oct.31,2025
QZSS Satellite Information
Oct.02,2025
[Notices] Start of QZS-6 SBAS Transmisson Service
Sep.25,2025
[Notices] Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service.
Operational Information
Technical Information
The GNSS Integrated Data Sharing System (MIRAI)
QZSS is Becoming a Seven-satellite Constellation
Operational Information
Technical Information
The GNSS Integrated Data Sharing System (MIRAI)
QZSS is Becoming a Seven-satellite Constellation
Operational Information
Technical Information
The GNSS Integrated Data Sharing System (MIRAI)
QZSS is Becoming a Seven-satellite Constellation
QZSS Satellite Information
QZSS Satellite Information
Notices
Start of QZS-6 SBAS Transmisson Service
Notices
Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service.
Notices
CLAS: Maximum Number of Augmented Satellites Started to Increase in Accordance with IS-QZSS-L6-007
Notices
Announcement of the operation mode switch for the PTV signal (L5S) on QZS-1R
Downloads
[Movie] Quasi-Zenith Satellite System "QZSS" (2025 version)
Services
QZSS is Becoming a Seven-satellite Constellation
Services
What is the Quasi-Zenith Satellite System (QZSS)?
Downloads
Pamphlet
Related News
Related News
Glossary
Related Links
Japanese and global sites related to GNSS. For Japanese part, related organizations/institutions/companies, etc. are listed.
Events
Events
GNSS and QZSS related events such as symposia, seminars, etc.
Service Overview
Service Overview
Overview of the Quasi-Zenith Satellite System (QZSS)
What is the Quasi-Zenith Satellite System (QZSS)?
Transmission Signals
Satellite Positioning Services
Sub-meter Level Augmentation Service (SLAS)
Centimeter Level Augmentation Service (CLAS)
Downloads
Movie introducing QZSS and Promotional pamphlet.
They are useful to understand basic characters of QZSS.
Technical Information
Performance Standard (PS-QZSS) and
Interface Specification (IS-QZSS)
Operational Information / Archive Data
Service Support Information
QZSS Satellite Information
List of Positioning Satellites
GNSS View
"GNSS View" is a tool to display locations of "Michibiki" and GPS satellites.
GNSS View (Web)
GNSS View (iOS App)
GNSS View (Android App)
Get it on Google Play
Technology
Quasi-Zenith Satellite Orbit (QZO)
Advantages of QZSS
Use Case
User Guide
Personal Use, Automobiles, Railways, Ships and Aircraft, Construction and Agriculture.
List of products that support Michibiki
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