China’s BeiDou Navigation Satellite System to undergo in-orbit upgrade news.cgtn.comChina upgrades BeiDou navigation birds in-orbit Mobile World LiveBeiDou Navigation Satellite System to carry out in-orbit upgrades å·´å£«çš„å ±China’s Beidou Navigation System: CSNO: In-orbit upgrades planned for BDS news.cgtn.comChina to conduct in-orbit upgrade of BeiDou Navigation Satellite System Global Times
