Technical Information

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

Operational Information / Archive Data

Operation information and archive data will be provided.

Service Support Information

Service support information will be provided.

QZSS Satellite Information

This page provides the information about QZSS satellite property and operational history which need to be known in order to properly implement advanced processing algorithms for precise orbit determination (POD) and precise point positioning (PPP) etc.

QZSS Antenna Patterns

This page describes the technical characteristics of the antenna patterns on QZSS satellites for Space Service Volume (SSV), based on its design specifications and ground test measurements of the antenna patterns.

List of Positioning Satellites

On this page, you can see status and information of the satellites of the world including U.S. GPS, Russian GLONASS, Chinese BeiDou, European Galileo and Indian IRNSS.

GNSS View

"GNSS View" is an online tool to display locations of QZSS and GPS satellites at a specified time and place. All four QZSS satellites can be disprayed.

Technology

This page introduces QZSS and other GNSS. Compatibility and common profile, difference in signals and other characteristics of each system according to several points of view.