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Performance Standard, Interface Specification and Service Performance Evaluation
Jan.27,2026
| Performance Standard (PDF) | Interface Specification (PDF) | Service Performance Evaluation | |
|---|---|---|---|
| Satellite Positioning, Navigation and Timing Service | PS-QZSS-003 (Mar. 17, 2022) PS-QZSS-005 (Aug. 5, 2025) (*) |
IS-QZSS-PNT-006 (Jul. 11, 2024) |
Satellite Positioning, Navigation and Timing Service |
| Sub-meter Level Augmentation Service (SLAS) | IS-QZSS-L1S-008 (Apr. 25, 2025) |
Sub-meter Level Augmentation Service (SLAS) | |
| Centimeter Level Augmentation Service (CLAS) | IS-QZSS-L6-007 (Jul. 31, 2025) |
Centimeter Level Augmentation Service (CLAS) | |
| MADOCA-PPP | IS-QZSS-MDC-004 (Jun. 25, 2025) (**) | MADOCA-PPP | |
| Satellite Report for Disaster and Crisis Management (DC Report) |
IS-QZSS-DCR-015 (Sep. 24, 2025) |
- | |
| IS-QZSS-DCX-003 (Mar. 2025) (***) |
- | ||
| Positioning Technology Verification Service | IS-QZSS-TV-004 (Sep. 27, 2023) |
- | |
| Signal Authentication Service | - | IS-QZSS-SAS-001 (May, 27. 2024) |
- |
<The sections: 3.2, 4, 5, 6, 7, 9>
(**) Ionospheric correction transmission will be put into the operational service after the experimental service. The schedule will be announced on our website. Coverage areas of MADOCA-PPP ionospheric correction data is shown in <Coverage area of MADOCA-PPP ionospheric correction data>.
(***) IS-QZSS-DCX-003 was amended in order that some figures, tables, and equations in the document were illegible (Nov. 13, 2025).
| Service Level Information |
Content | |
|---|---|---|
| MADOCA-PPP Ionospheric Correction for Experiment |
SLI-MDC-ION (Draft, February 2022) |
As a demonstration, the wide-range ionospheric correction for the Asia and Oceania regions is transmitted by the L6D messeges to shorten the TTFF (Timi To First Fix) of MADOCA-PPP. This document describes the reference information of this demonstration. Reference performance evaluation results: |

