It will be part of a huge net­work that will ex­pand the nation’s Wi-Fi ac­cess

China Daily (Hong Kong) - - TOP NEWS - By ZHAO LEI zhaolei@chi­

China will launch its most ad­vanced com­mu­ni­ca­tions satel­lite in April as it builds a large ca­pac­ity net­work that will en­able passengers on jet­lin­ers and high-speed trains to use the in­ter­net.

Shi­jian 13, de­vel­oped by the China Academy of Space Tech­nol­ogy, will be lifted on a Long March 3B car­rier rocket from Xichang Satel­lite Launch Cen­ter in Sichuan prov­ince.

The satel­lite, which weighs 4.6 met­ric tons, will stay for 15 years in a geo­sta­tion­ary orbit about 36,000 kilo­me­ters above Earth, the academy said.

The satel­lite fea­tures a Ka-band broad­band com­mu­ni­ca­tions sys­tem ca­pa­ble of trans­mit­ting 20 gi­ga­bytes of data per se­cond, mak­ing it the most pow­er­ful com­mu­ni­ca­tions satel­lite the nation has de­vel­oped.

Shi­jian 13 will use elec­tric propul­sion af­ter it en­ters orbit, which will ex­ten­sively re­duce the chem­i­cal fuel the satel­lite car­ries. More­over, it will con­duct space-to-ground laser com­mu­ni­ca­tions ex­per­i­ments, the academy said.

In June, the Shi­jian 18 com­mu­ni­ca­tions satel­lite, the first de­vel­oped based on China’s new-gen­er­a­tion DFH 5 satel­lite plat­form, will be lifted by a Long March 5 rocket at the Wen­chang Space Launch Cen­ter in Hainan prov­ince, ac­cord­ing to the academy.

It said the trans­mis­sion ca­pac­ity of the satel­lite to be

The time the satel­lite will re­main in a geo­sta­tion­ary orbit about 36,000 kilo­me­ters above Earth

launched in June is dou­ble that of cur­rent Chi­nese com­mu­ni­ca­tions satellites, al­low­ing more tele­vi­sion chan­nels and clearer pro­grams to be trans­mit­ted. The new satel­lite will also im­prove in­ter­net con­nec­tiv­ity and ac­ces­si­bil­ity as well as re­duce users’ costs.

Wang Min, deputy head of the academy’s In­sti­tute of Telecom­mu­ni­ca­tion Satel­lite, said China plans to es­tab­lish a con­stel­la­tion of ad­vanced com­mu­ni­ca­tions satellites based on DFH 4 and DFH 5 plat­forms by 2025 and, af­ter the plan is ful­filled, peo­ple will

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