Japan has launched third of its new quasi-zenith satellites on Saturday to improve the global positioning system (GPS) navigation services.
The launched third of its new quasi-zenith satellites is one of a constellation being put into orbit to improve the accuracy of available global positioning data, Kyodo News reported Saturday.
The Quazi Zenith Satellite System is a local analog of the US global positioning system, which consists of four satellites aiming to increase the reliability and accuracy of the three-dimensional satellite navigation up to 99.8 percent.
The launch, overseen by the Japan Aerospace Exploration Agency, was initially scheduled for last week two times. However, both the times it was aborted. Once on August 11, the launch was postponed for the next day due to unfavourable weather conditions. Again the launch postponed to next day (August 12), but even that time it was canceled due to the risk of a possible helium leak in the rocket propulsion system.
The accuracy of the system will reduce the error in determining the location to a few centimeters, while currently it amounts to some 10 meters.
The first satellite of the system was launched in 2010, while the second was put into orbit in June 2017. The final satellite is expected to be launched in October.
The newly launched satellite will work with the first and second Michibiki satellites and complement the existing US satellite network that Japan and many other countries depend on.
Once in its final position, the third satellite will sit in a geostationary orbit with the government scheduled to launch the last satellite in October.
Japanese Defense Ministry has requested 19.6 billion yen ($178 million) budget funding in 2018 for developing a next generation new radar system that has increased capacity to identify Russia and China designed advanced stealth fighter jets
Japan has requested budgetary allocation for the land-based version of Aegis ballistic missile defense system in the next fiscal year in the wake of rising missile launch threats by North Korea, local media reported Thursday. According to the NHK broadcaster, Japans Defense Ministry has confirmed its plans to introduce the US-made land-based defense system in order to strengthen the country's defense capabilities
Up to six MV-22 Ospreys with the US Marine Corps will join a US-Japan military exercise from Friday, Japanese Defense Minister Itsunori Onodera told reporters in Tokyo Tuesday settling doubts about the fitness of the aircraft which had crashed off Australia last week. "Japan also believes there is important significance in the Osprey's participation in the exercise
Japan has hinted at raising defense capabiltiy, citing concern of increasing threat from North Korea and China in the country's defense review Tuesday. North Korea was cited as the main concern as Japan's Cabinet approved the 2017 Defence White Paper, two weeks after the North test-fired a second ICBM whose range could include some of the US mainland, including Los Angeles and Chicago
Japan has demanded that the US ground its V-22 Osprey aircraft deployed in Japan after one of the Marine Corps planes crashed off Australia. The crashed Osprey was among the tilt-rotor aircraft deployed at U
Airbus Defence & Space has beaten Japans Mitsubishi Electric and Canadian-U.S
Chinas home-made BeiDou Navigation System was successfully tested aboard an ARJ21-700 commercial airliner on Saturday. The test was carried out by the Commercial Aircraft Corporation of China (COMAC)
Japanese Defense Ministry plans to seek a budget of 5.26 trillion yen ($48
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