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Update in 2018-24

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Update in 2018-24

Oct.30,2024

QZSS Satellite Information
Oct.23,2024

[Notices] Scheduled Outage of SBAS signal in the SBAS Transmission Service
Oct.22,2024

[Notices] Update of Performance Standard (PS-QZSS)
Sep.18,2024

[Notices] Scheduled Outage of SBAS signal in the SBAS Transmission Service
Sep.13,2024

[Notices] Release of MADOCA-PPP test library, MADOCALIB v1.3
Sep.13,2024

[Notices] Update the User Interface Specification (IS-QZSS-SAS) for QZNMA
Sep.03,2024

[Notices] Update the User Interface Specification (IS-QZSS-MDC) for MADOCA-PPP
Sep.02,2024

Information about the coordinate system used in MADOCA-PPP
Jul.12,2024

[Notices] Update the User Interface Specification (IS-QZSS-PNT-006) for the PNT
Jul.01,2024

[Notices] Start of the Internet distribution of MADOCA-PPP and release of MADOCALIB v1.2
Jun.19,2024

[Notices] Internet distribution of MADOCA-PPP
Jun.19,2024

Internet Distribution of MADOCA-PPP
Jun.03,2024

[Notices] Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
Apr.05,2024

[Services] Multi-GNSS Advanced Orbit and Clock Augmentation - Precise Point Positioning (MADOCA-PPP)
Apr.01,2024

[Notices] Operational service of MADOCA-PPP has now started
Apr.01,2024

[Notices] Start of Satellite Report for Disaster and Crisis Management (Extended Information) and adoption of Common Alert Message Format
Apr.01,2024

[Notices] Start of signal authentication service
Feb.22,2024

[Notices] The Test Transmission of signal authentication data (notice of close)
Jan.10,2024

[Notices] The Test Transmission of signal authentication data (notice of GNSS signal authentication resumption and QZSS signal authentication start)
Dec.28,2023

[Notices] Update the User Interface Specification (IS-QZSS-TV) for the PTV
Dec.21,2023

[Notices] The change of transmission pattern for navigation messages in PNT services
Dec.18,2023

[Notices] Schedule for changes in the transmission patterns of navigation messages for PNT services
Dec.15,2023

[Notices] The Test Transmission of signal authentication data (notice of suspension)
Dec.07,2023

[Notices] Upcoming Schedule for the Launch of Satellite Report for Disaster and Crisis Management (Extended Information)
Nov.30,2023

[Notices] Update the User Interface Specification (IS-QZSS-MDC) for MADOCA-PPP
Nov.10,2023

[Notices] Start of the application of the interface specification for PNT service of the 5th edition (IS-QZSS-PNT-005)
Nov.10,2023

Information about the coordinate system used in the QZSS Positioning Navigation and Timing (PNT) service
Nov.09,2023

[Notices] Implementation of the application work for the interface specification for PNT service of the 5th edition (IS-QZSS-PNT-005) (added on November 9)
Oct.31,2023

[Notices] Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
Oct.25,2023

[Notices] Update the User Interface Specification (IS-QZSS-L1S) for the SLAS
Sep.15,2023

[Notices] Suspension of QZS-1 all operations
Sep.01,2023

[Notices] NAQU notification for MADOCA-PPP
Aug.23,2023

[Notices] Application of the interface specification for PNT service of the 5th edition (IS-QZSS-PNT-005)
Aug.10,2023

QZSS Antenna Patterns
Jul.31,2023

[Notices] The Test Transmission of signal authentication data has now started
Jul.07,2023

[Notices] The Test Transmission of signal authentication data
Jul.07,2023

Signal Authentication Service
Jun.05,2023

MADOCA Test Library
Apr.27,2023

QZSS is Becoming a Seven-satellite Constellation
Feb.17,2023

[Notices] Update the User Interface Specification (IS-QZSS-L1S) for the SLAS
Jan.24,2023

[Notices] Release of the user interface specification (draft version) for signal authentication service
Oct.25,2022

[Notices] Update the interface specification of PNT service for 7-Satellites Constellation in advance
Sep.30,2022

[Notices] Trial service of MADOCA-PPP has now started
Sep.22,2022

[Notices] The Beginning of Trial Service of MADOCA-PPP (Switchover dates and related user interface specifications)
Aug.01,2022

[Notices] The Test Transmission of MADOCA-PPP
Apr.01,2022

The GNSS Integrated Data Sharing System (MIRAI)
Mar.25,2022

[Notices] Suspension of QZS-1 signal transmission
Mar.24,2022

[Notices] Update the Performance Standard(PS-QZSS) for the start of QZS-1R services
Mar.24,2022

[Notices] Start of QZS-1R Services
Mar.22,2022

[Notices] Start of QZS-1R Services and Suspension of QZS-1 signal transmission
Mar.18,2022

[Notices] Update the Performance Standard (PS-QZSS) for the start of QZS-1R services
Mar.14,2022

[Notices] Start of QZS-1R Services and Suspension of QZS-1 signal transmission (Advance Notice)
Feb.28,2022

[Notices] Release of Specifications for MADOCA-PPP
Feb.28,2022

[Notices] Release of Service Performance Evaluation
Jan.31,2022

[Notices] Start of QZS-1R test signals transmission
Jan.26,2022

[Notices] Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
Dec.15,2021

5th EU-Japan Public and Private GNSS Roundtable 2021
Nov.29,2021

[Notices] Release of Service Performance Evaluation
Oct.26,2021

[Notices] Launch Result of the H-IIA Launch Vehicle No. 44 which carries aboard the QZS-1R
Oct.01,2021

[Downloads] CG Images of QZS-1R
Sep.17,2021

RPD Challenge 2020, a QZSS hackathon organized by the Cabinet Office, MGA, and GISTDA
Jul.14,2021

[Notices] Update of the compliant coordinate system and User Interface Specification for CLAS
Apr.23,2021

[Notices] Reassignment of QZSS L5S PRN number completed and application of the User Interface Specification (IS-QZSS-TV-003) for the PTV started
Apr.14,2021

[Notices] Reassignment of QZSS L5S PRN number and application of the User Interface Specification (IS-QZSS-TV-003) for the PTV
Mar.09,2021

[Notices] Trial transmission of the navigation message authentication
Feb.15,2021

[Notices] Complete the update of the PNT reference frame for alignment with ITRF2014
Feb.01,2021

[Notices] Update the User Interface Specification (IS-QZSS-PNT-004) for the PNT
Feb.01,2021

[Notices] Update the PNT reference frame for alignment with ITRF2014
Jan.27,2021

[Notices] Release of Service Performance Evaluation
Nov.17,2020

[Notices] Launch of the upgraded CLAS Service corresponding to 17 augmented satellites
Jun.19,2020

[Notices] Start of Trial transmission of the Augmentation Information corresponding to IS-QZSS-L6-002 in Centi-meter Level Augmentation Service (CLAS)
Mar.05,2020

[Report] Deliberations on QZSS at the 7th Session of the IMO's NCSR
Jul.29,2019

[Notices] Web URL Change notice for "Operational Information/Archive Data" due to shift from "http" to "https"(SSL)
Apr.15,2019

4th EU-Japan Public and Private GNSS Roundtable Meeting by the Cabinet Office and the European Commission
Nov.01,2018

[Notices] Start of QZSS Services
Nov.01,2018

[Movie] Quasi-Zenith Satellite System “QZSS” Revised edition
Sep.07,2018

[Notices] Re-start of QZS test operation
Jun.05,2018

[Notices] Anomaly of a QZS in Orbit
Apr.03,2018

[Notices] Setting update of Centi-meter Level Augmentation Service (CLAS) Trial Service
Mar.02,2018

[Notices] Starting Date of QZSS Services
Jan.17,2018

[Notices] Commencement of QZS-3, QZS-4 Satellite Report for Disaster and Crisis Management (DC Report) trial service
Jan.12,2018

[Notices] Start of QZS-4 Trial Service