HELSINKI — Chinese commercial firm Changguang Satellite Technology says it will expand its under-construction Jilin-1 constellation from 138 to 300 satellites. Changguang Satellite, a satellite manufacturer and operator based in Changchun, Jilin Province in northeast China, initially planned for its Jilin-1 constellation to consist of 138 satellites in orbit by 2025 to provide 10-minute revisit times. The 138 satellites will now constitute a first phase, to be completed by 2023, according to Changguang Satellite official Jia Hongguang, China News Service reported Oct. 27. The second phase will then see the constellation to be expanded to 300 satellites by 2025. The...