??????6?????SpaceX?????2019??????1Gbps?4425????
SpaceX????????FCC????????????386????50?100??
?SpaceX???????????????????2018???2019?????2024??SpaceX????????
?????1419??2600????????4025?SpaceX?????3????
?????SpaceX???1600??2825???5??32?t?431?????4000????2120???????????1Gbps???????????180 ?