The first satellite of the second-generation system, Compass-M1 was launched in 2007. It was followed by further nine satellites during 2009-2011, achieving functional regional coverage. A total of 16 satellites were launched during this phase.
The first satellite of the second - generation system , Compass - M1 was launched in 2007 . It was followed by further nine satellites during 2009 - 2011 , achieving functional regional coverage . A total of 16 satellites were launched during this phase .
When was the Compass-M1 satellite launced?
When was the Compass - M1 satellite launced ?
2007
2007