- Previous Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
- Next Start of Satellite Report for Disaster and Crisis Management (Extended Information) and adoption of Common Alert Message Format
Operational service of MADOCA-PPP has now started
MADOCA-PPP (Multi-GNSS ADvanced Orbit and Clock Augmentation - Precise Point Positioning), which had been in trial service since September 30, 2022, has begun operational service on April 1, 2024.
We are preparing to open a portal site that will consolidate information on the MADOCA-PPP. We will inform you when the portal site is launched.
- Period: 2024/04/01 00:00:00 (JST) -
- Service performance and format: In accordance with PS-QZSS and IS-QZSS-MDC
(No change from trial service) - Signal: L6E
- Satellites: QZS-1R (PRN Code :206)
QZS-2 (PRN Code :204)
QZS-3 (PRN Code :209)
QZS-4 (PRN Code :205)
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Sep.18,2024
Scheduled Outage of SBAS signal in the SBAS Transmission Service
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Sep.13,2024
Release of MADOCA-PPP test library, MADOCALIB v1.3
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Sep.13,2024
Update the User Interface Specification (IS-QZSS-SAS) for QZNMA
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Sep.03,2024
Update the User Interface Specification (IS-QZSS-MDC) for MADOCA-PPP
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Jul.12,2024
Update the User Interface Specification (IS-QZSS-PNT-006) for the PNT
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Jul.01,2024
Start of the Internet distribution of MADOCA-PPP and release of MADOCALIB v1.2
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Jun.19,2024
Internet distribution of MADOCA-PPP
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Jun.03,2024
Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
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Apr.01,2024
Start of Satellite Report for Disaster and Crisis Management (Extended Information) and adoption of Common Alert Message Format
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Apr.01,2024
Start of signal authentication service
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Feb.22,2024
The Test Transmission of signal authentication data (notice of close)
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Jan.10,2024
The Test Transmission of signal authentication data (notice of GNSS signal authentication resumption and QZSS signal authentication start)
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Dec.28,2023
Update the User Interface Specification (IS-QZSS-TV) for the PTV
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Dec.21,2023
The change of transmission pattern for navigation messages in PNT services
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Dec.15,2023
The Test Transmission of signal authentication data (notice of suspension)
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Dec.18,2023
Schedule for changes in the transmission patterns of navigation messages for PNT services
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Dec.07,2023
Upcoming Schedule for the Launch of Satellite Report for Disaster and Crisis Management (Extended Information)
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Nov.30,2023
Update the User Interface Specification (IS-QZSS-MDC) for MADOCA-PPP
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Nov.10,2023
Start of the application of the interface specification for PNT service of the 5th edition (IS-QZSS-PNT-005)
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Nov.09,2023
Implementation of the application work for the interface specification for PNT service of the 5th edition (IS-QZSS-PNT-005) (added on November 9)
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Oct.31,2023
Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
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Oct.25,2023
Update the User Interface Specification (IS-QZSS-L1S) for the SLAS
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Sep.15,2023
Suspension of QZS-1 all operations
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Sep.01,2023
NAQU notification for MADOCA-PPP
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Aug.23,2023
Application of the interface specification for PNT service of the 5th edition (IS-QZSS-PNT-005)
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Jul.31,2023
The Test Transmission of signal authentication data has now started
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Jul.07,2023
The Test Transmission of signal authentication data
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Feb.17,2023
Update the User Interface Specification (IS-QZSS-L1S) for the SLAS
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Jan.24,2023
Release of the user interface specification (draft version) for signal authentication service
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Oct.25,2022
Update the interface specification of PNT service for 7-Satellites Constellation in advance
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Sep.30,2022
Trial service of MADOCA-PPP has now started
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Sep.22,2022
The Beginning of Trial Service of MADOCA-PPP (Switchover dates and related user interface specifications)
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Aug.01,2022
The Test Transmission of MADOCA-PPP
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Apr.01,2022
The GNSS Integrated Data Sharing System (MIRAI)
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Mar.25,2022
Suspension of QZS-1 signal transmission
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Mar.24,2022
Update the Performance Standard(PS-QZSS) for the start of QZS-1R services
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Mar.24,2022
Start of QZS-1R Services
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Mar.22,2022
Start of QZS-1R Services and Suspension of QZS-1 signal transmission
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Mar.18,2022
Update the Performance Standard (PS-QZSS) for the start of QZS-1R services
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Mar.14,2022
Start of QZS-1R Services and Suspension of QZS-1 signal transmission (Advance Notice)
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Feb.28,2022
Release of Specifications for MADOCA-PPP
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Feb.28,2022
Release of Service Performance Evaluation
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Jan.31,2022
Start of QZS-1R test signals transmission
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Jan.26,2022
Update the User Interface Specification (IS-QZSS-DCR) for the DC Report Service
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Nov.29,2021
Release of Service Performance Evaluation
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Oct.26,2021
Launch Result of the H-IIA Launch Vehicle No. 44 which carries aboard the QZS-1R
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Jul.14,2021
Update of the compliant coordinate system and User Interface Specification for CLAS
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Apr.23,2021
Reassignment of QZSS L5S PRN number completed and application of the User Interface Specification (IS-QZSS-TV-003) for the PTV started
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Apr.14,2021
Reassignment of QZSS L5S PRN number and application of the User Interface Specification (IS-QZSS-TV-003) for the PTV
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Mar.09,2021
Trial transmission of the navigation message authentication
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Feb.15,2021
Complete the update of the PNT reference frame for alignment with ITRF2014
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Feb.01,2021
Update the User Interface Specification (IS-QZSS-PNT-004) for the PNT
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Feb.01,2021
Update the PNT reference frame for alignment with ITRF2014
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Jan.27,2021
Release of Service Performance Evaluation
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Nov.17,2020
Launch of the upgraded CLAS Service corresponding to 17 augmented satellites
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Jun.19,2020
Start of Trial transmission of the Augmentation Information corresponding to IS-QZSS-L6-002 in Centi-meter Level Augmentation Service (CLAS)
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Jul.29,2019
Web URL Change notice for "Operational Information/Archive Data" due to shift from "http" to "https"(SSL)
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Nov.01,2018
Start of QZSS Services
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Sep.07,2018
Re-start of QZS test operation
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Jun.05,2018
Anomaly of a QZS in Orbit
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Apr.03,2018
Setting update of Centi-meter Level Augmentation Service (CLAS) Trial Service
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Mar.02,2018
Starting Date of QZSS Services
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Jan.17,2018
Commencement of QZS-3, QZS-4 Satellite Report for Disaster and Crisis Management (DC Report) trial service
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Jan.12,2018
Start of QZS-4 Trial Service
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Dec.19,2017
Start of QZS-3 Trial Service
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Nov.15,2017
Start of Sub-meter Level Augmentation Service (SLAS) Trial Service using QZS-2
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Sep.27,2017
Commencement of Satellite Report for Disaster and Crisis Management (DC Report) trial service
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Sep.27,2017
Start of Centi-meter Level Augmentation Service (CLAS) Trial Services using QZS-1
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Sep.22,2017
Change of Centi-meter Level Augmentation Service (CLAS) Trial Service
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Sep.15,2017
Start of QZS-2 Trial Service
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Sep.14,2017
Restart of Centi-meter Level Augmentation Service Trial Services
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Sep.04,2017
Distribution stop of Centi-meter Level Augmentation Service Trial Services
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Mar.29,2017
Start of Trial Services
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Feb.22,2017
QZS-1 Control Will be Transferred to the Cabinet Office, Followed by an Adjustment Period Before the Trial Service Start