Why does China have to have a Beidou satellite? Why do we still have to use Beidou when we already have GPS?

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The China Meteorological Administration has launched the first Beidou Navigation Typhoon Detection!

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"Kill" GPS and Beidou Navigation. Can you still use navigation and time service?

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Nanosecond global timing system based on Beidou satellites

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China Beidou: Service Global

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What does Beidou mean to complete global networking?

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