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Positioning, Navigation, and Timing (PNT) Satellites

Japanese PNT Satellites (QZSS)


Infrastructure: Spacecraft Overview – TSRQ2 2020

TSR20-Q2-Infrastructure Section examines global spacecraft/satellite operations conducted throughout the three space sectors, military, civil government, and commercial. This edition covers communication, PNT, and Earth observation/remote sensing satellites, along with major…

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Infrastructure: Spacecraft Overview – TSRQ1 2019

Infrastructure: Spacecraft Overview - TSRQ1 2019 examines global spacecraft/satellite operations conducted throughout the three space sectors, military, civil government, and commercial. This edition covers communication, PNT, and Earth observation/remote sensing…

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2017 – QZSS

After seven years of single-satellite operations for the Quasi-Zenith Satellite System (QZSS), Japan’s PNT constellation, the Japan Aerospace Exploration Agency (JAXA) launched three more QZSS satellites into orbit during 2017.…

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Infrastructure: Space Infrastructure – TSR 2018

Infrastructure: Space Infrastructure - TSR 2018 examines global human spaceflight operations to include both the Chinese and US space stations, launch vehicles from all spacefaring nations, communications satellite constellations, PNT…

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2016 – QZSS

In 2010, the Japan Aerospace Exploration Agency (JAXA) launched a single positioning, navigation, and timing (PNT) satellite as a start for its Quasi-Zenith Satellite System (QZSS). Japan has not launched…

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Infrastructure: Space Infrastructure – TSR 2017

Infrastructure: Space Infrastructure - TSR 2017 examines global human spaceflight operations, launch vehicles from all spacefaring nations, communications satellite constellations, PNT satellites, Earth observation and remote sensing satellites, defense satellites,…

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2015 – QZSS

Launched in 2010 by the Japan Aerospace Exploration Agency (JAXA), the Quasi-Zenith Satellite System (QZSS) continued through 2015 with ## satellite. JAXA intends to launch ## more QZSS satellites into…

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2005 – QZSS

Japan is developing the Quasi-Zenith system, a regional augmentation of the GPS signal, with a 2008 planned launch. Japan is developing the Quasi-Zenith system, a regional augmentation of the GPS…

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2007 – QZSS

The first launch of Japan’s Quasi-Zenith Satellite System (QZSS) is scheduled for 2009. QZSS uses ## geosynchronous satellites in orbital planes designed to have observed elevations of 60 to 70…

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