shut down its Global Positioning System (GPS) for the region, stranding the ship. Navy tried to stop the cargo freighter for inspection in the Indian Ocean, the crew simply ignored the request. Yet the scheduled voyage had to be suspended for 33 days. In the end, the American inspection did not find any chemical weapon materials on board the ship. The first occurred on July 23, 1993, when the United States alleged that the Yinhe, a Chinese cargo freighter, was carrying materials for chemical weapons to Iran, and threatened to impose sanctions on China. In the 1990s, two incidents served as a wake-up call for Beijing. AmbitionsĬhina’s ambition to build its own navigation system dates back several decades. Now, eight years later, it has finally achieved global coverage. BDS began providing positioning, navigation, timing and messaging services to civilian users in China and parts of the Asia-Pacific region in December 2012. Since the late 1990s, when the first BDS satellite entered orbit, 53 system satellites, including four experimental ones, have been launched, and several have been retired.
Historically, this set of stars was used in navigation to locate the North Star. Beidou in Chinese stands for Northern Dipper – the name used in ancient China to refer to the seven brightest stars of the Ursa Major constellation.
0 kommentar(er)
