37 years ago today, 7 March 1988 (Lunar Calendar 20 January 1988), China successfully launched a practical communication satellite. China's communications satellite for roaming space on 7 March 1988 at 20:41 pm, China successfully launched a practical communication satellite. That night, the satellite accurately entered the orbit. The satellite instrument works normally. The satellite was designed and manufactured by China according to the needs of domestic satellite communication. Its performance and communication capacity, compared with the practical communication broadcasting satellite launched in 1986, has new improvements and improvements. The satellite was launched by China's Long March 3 satellite launching rocket. This is the fourth time China's satellite launched with the "Long March 3" satellite. China People's