A model of China’s BeiDou satellite navigation system, which was completed in 2020. Photo: AP
A model of China’s BeiDou satellite navigation system, which was completed in 2020. Photo: AP
Science

Atomic clocks put China’s BeiDou satnav system ahead of the rest, study finds

  • Analysis of data suggests uncertainty was kept to 1 femtosecond a day – equivalent to losing or gaining a second in 30 million years
  • This is something that can affect hypersonic weapons, high-speed communication, transport and even financial services

A model of China’s BeiDou satellite navigation system, which was completed in 2020. Photo: AP
A model of China’s BeiDou satellite navigation system, which was completed in 2020. Photo: AP
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