It is a content.
Pamphlet
Apr.13,2018
Quasi-Zenith Satellite System (QZSS; nicknamed "MICHIBIKI")

This pamphlet explains QZSS in an easy-to-understand way, including services, technologies, and specifications.(Revised in march 2018)
Quasi-Zenith Satellite System “Satellite Positioning Service”

(Revised in March 2017)
Quasi-Zenith Satellite System “Sub-meter Level Augmentation Service (SLAS)”

(Revised in April 2018)
Quasi-Zenith Satellite System “Satellite Report for Disaster and Crisis Management (DC Report)”

(Revised in November 2017)