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polar station;Antarctic station

China Plans to Finish Fifth Antarctic Station by 2022[Nov 08, 2017]

China plans to finish its fifth station in the Antarctic in next five years. The new base will fill in the blank left in China's antarctic research since the Great Wall and Zhongshan stations cover different directions, one towards the Atlantic and the other towards the Indian Ocean.

BeiDou Navigation Sattellite System;global coverage;setellite navigation;BeiDou Satellite

Beidou Upgrades for Global Reach[Nov 07, 2017]

China has begun to upgrade its Beidou Navigation Satellite System with global-coverage capabilities through the launch of new satellites. Two third-generation Beidou satellites, the first of their type, were lofted atop a Long March 3B carrier rocket from Xichang Satellite Launch Center in Sichuan province on Sunday night and were placed in medium Earth orbit thousands of kilometers above the Earth. They will function for at least 12 years.

sun-synchronous;orbit mission;upper-stage vehicle;Yuanzheng;rocket

New Rocket Combination for Sun-synchronous Orbit Mission[Nov 07, 2017]

Chinese rocket researchers are working on combining the Yuanzheng 1B upper-stage vehicle and the Long March 2C for a sun-synchronous orbit mission in 2018, according to the China Academy of Launch Vehicle Technology. China started to develop the upper-stage vehicle in the 1980s. The upper-stage vehicle is a relatively independent rocket that could restart many times in space to send different payloads to different orbits.

Antarctic expedition;Antarctic station;research station;Ross Sea;

China to Launch 34th Antarctic Expedition[Nov 07, 2017]

China's research icebreaker Xuelong will leave Shanghai on Wednesday to begin the country's 34th Antarctic expedition. A 334-member team will be on board, and they will conduct a series of surveys including preliminary work for the construction of China's fifth station in the Antarctic, which will be on west coast of the Ross Sea.

satnav accuracy;BeiDou accuracy;rubidium clock;BeiDou-3

Better Rubidium Clocks Increase BeiDou Satnav Accuracy[Nov 07, 2017]

New, ultra-accurate rubidium atomic clocks on board two BeiDou-3 satellites launched into space Sunday have greatly improved the accuracy of the system. The two satellites are equipped with more reliable rubidium atomic timekeepers than those in previous BeiDou satellites.

BeiDou-3;BeiDou Navigation Satellite System

China Launches Two BeiDou-3 Navigation Satellites on Single Carrier Rocket[Nov 06, 2017]

China launched two BeiDou-3 satellites into space via a single carrier rocket to support its global navigation and positioning network at 7:45 p.m. Sunday. China plans to building BeiDou into a global positioning and navigation system by around 2020, making it the third country in the world after the United States and Russia to operate its own navigation system.

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