PLA Navy Expanding Submarine Op Capability through BeiDou


China’s official news agency Xinhua reported on 01 February that China has achieved real-time transmission of deep-sea data at 6,000-meter depth through its self-developed BeiDou satellites for the first time. Importantly will facilitate secure, independent and reliable deep-sea data transmission which is essential for submarine operations. Xinhua highlighted that China’s research vessel Kexue (Science) returned to the eastern port city of Qingdao after wrapping up a 74-day, 12,000-nautical mile expedition. During the trip, Chinese scientists maintained and upgraded the country's scientific observation network in the West Pacific, according to the Institute of Oceanology under the Chinese Academy of Sciences (CAS). Researchers replaced batteries on 20 sets of submersible buoys on the network, optimized their positions and installed BeiDou satellite communication modules in them as per the Xinhua. As the low-volume submersible buoys powered by batteries can only be retrieved once a year, the communication modules were designed to be tiny, power saving and run steadily.....................

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