Positioning, Navigation, and Timing (PNT) Satellites
Japanese PNT Satellites (QZSS)
2018 – Quasi-Zenith Satellite System (QZSS)
Japan’s Cabinet Office continues to operate all ## satellites of QZSS (also known as Michibiki), the country’s PNT constellation. Japan’s Cabinet Office continues to operate all four satellites of QZSS…
2017 – QZSS
After ## years of ##-satellite operations for the Quasi-Zenith Satellite System (QZSS), Japan’s PNT constellation, the Japan Aerospace Exploration Agency (JAXA) launched... After seven years of single-satellite operations for the…
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…
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.…
2008 – QZSS
Japan’s Quasi-Zenith Satellite System will supplement GPS coverage over areas of Japan that prove difficult with GPS alone. The first launch is expected in 2010. Japan’s Quasi-Zenith Satellite System will supplement…
2009 – QZSS
The complete constellation is planned to be in place by 2011, though no launches had been conducted by the end of 2009. Japan’s Quasi-Zenith Satellite System (QZSS) will consist of…
2010 – QZSS
In September 2010, JAXA successfully launched the Michibiki spacecraft, the ## satellite of the Japanese Quasi-Zenith Satellite System (QZSS). This network will be comprised of ## GEO satellites operating over…