Disclaimer of Liability about use of trial service
After confirming the following Disclaimer of Liability in case of use of trial service.
Disclaimer of Liability
The Cabinet Office, Government of Japan (“CAO”) and Quasi-Zenith Satellite System Services Inc. starts trial services (“Services”) to promote the services using Quasi-Zenith Satellite System (“QZSS”) by development of receivers, applications and so on. The Services are freely available to any user. However, the receivers and/or applications developed based on the Document may not receive signals or may receive incorrect signals due to no warranty of the Services. You are therefore highly recommended to ensure appropriate measures to avoid accidents such as redundancy, backup and fail-safe, if you develop receivers and/or applications using the Services for the purpose that will possibly give an impact to human life, body and properties. The Services may be suspended or changed without prior notice in accordance with the decision by Government of Japan. The Services are available subject to the following terms and conditions. You may use the Document only if you agree to such terms and conditions. You shall be deemed to agree such terms and conditions by using the Document.
(1) With respect to the Performance Standard (PS-QZSS) and the User Interface Specification (IS-QZSS) ("Document") and the information included in the Document, the Cabinet Office, Government of Japan (“CAO”) and Quasi-Zenith Satellite System Services Inc. (“QSS”) disclaim all warranties of any kind, express or implied, including but not limited to, the followings:
i) warranty of accuracy, completeness, usefulness, and fitness for a particular request or purpose;
ii) warranty that the Document and the information included in the Document will not be changed in to the future; and
iii) warranty that the Document and the information included in the Document do not infringe any third party’s intellectual property rights.
(2) With respect to trial services “Services”), CAO and QSS disclaim all warranties of any kind, express or implied, from any cause whether it is related to Quasi-Zenith Satellite System, other outside systems or not, including but not limited to, the followings:
i) warranty as to service area, accuracy, availability, continuity, and integrity described in the Document;
ii) warranty of usefulness, and fitness for a particular request or purpose; and
iii) warranty that the use of Services does not infringe any third party’s intellectual property rights.
(3) To the extent permitted by applicable laws, CAO and QSS shall not be responsible and liable for any damages and losses, including but not limited to, direct, indirect, incidental, special or consequential damages, whether under contractual liability, product liability, strict liability, tort liability or otherwise (including intent or negligence), caused by the use of the Document, the information included in the Document and the Services, the inability to use the Services, or the change of the Document and the information included in the Document.
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Oct.23,2024
Scheduled Outage of SBAS signal in the SBAS Transmission Service
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Oct.22,2024
Update of Performance Standard (PS-QZSS)
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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
Operational service of MADOCA-PPP has now started
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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