Positioning, Navigation, and Timing (PNT) Satellites
Japanese PNT Satellites (QZSS)
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…
2018 – Quasi-Zenith Satellite System (QZSS)
Japan’s Cabinet Office continues to operate all four satellites of QZSS (also known as Michibiki), the country’s PNT constellation. QZSS is a regional PNT system solely catering to Japan’s population.…
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.…
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…
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…
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,…
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…
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…
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…
2014 – QZSS
The Japan Aerospace Exploration Agency (JAXA) launched the ## satellite of its Quasi-Zenith Satellite System (QZSS) in September 2010, and continued to operate and run tests on it during 2014.…