IT House, 26 April, reported by the China News Network, the Deputy Director of the China Satellite Navigation System Management Office, Silo, planned to launch a 1 to 3 North Fighting Group backup satellites this year to further enhance the soundness and availability of the constellation. As previously reported by IT House, in June 2020, the three-strong satellite navigation system, consisting of 24 medium-to-Earth orbit satellites, 3 geostationary orbit satellites and 3 polar orbit satellite...