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Using Beidou in Europe

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for China. Furthermore satellite coverage is much better over China than over the rest of the world. 北斗 c... the GPS system. When used in combination you get better locations than using GPS only. Simply because more satellites tend to be better when it comes to satellite navigation. I have tr

The Great American eclipse

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e totality line, but the spot could not have been better. <olmap id="eclipse2017" width="600px" height="4

Nanjing’s ancient Observatory

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one chance to show that the improved calendar was better than the Chinese calendar. He had to make a numbe