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Performance Standard (PS-QZSS) and Interface Specification (IS-QZSS)

  Performance Standard (PDF) Interface Specification (PDF)
Satellite Positioning, Navigation and Timing Service PS-QZSS-002
(Aug. 20, 2020 / 1.0MB)
(Jan. 25, 2021 / 2.3MB)
Sub-meter Level Augmentation Service (SLAS) IS-QZSS-L1S-004
(Dec. 27, 2019 / 1.3MB)
Centimeter Level Augmentation Service (CLAS) IS-QZSS-L6-004
(Jul. 14, 2021 / 1.4MB)
Satellite Report for Disaster and Crisis Management (DC Report) IS-QZSS-DCR-010
(Jan. 24, 2022 / 4.5MB)
Positioning Technology Verification Service IS-QZSS-TV-003
(Dec. 27, 2019 / 0.9MB)
  Service Level
Centimeter Level
Augmentation Service
for Experiment
(Draft, March 28, 2017
/ PDF: 253KB)
This document defines reference information
such as service area and accuracy
in the Centimeter Level Augmentation Service for Experiment.
For information about the data formats currently available for
the CLAS (technology validation), refer to the
“Data Format Specification” on the Global Positioning
Augmentation Service (GPAS) Corporation website.  * Under “SERVICE”