Tags: Artificialsatellite, Satellite.
OPS 5118 also known as Navstar 6 GPS I-6 and GPS SVN-6 was an American navigation satellite launched in 1980 as part of the Global Positioning System development programme. It was the sixth of eleven Block I GPS satellites to be launched.OPS 5118 was launched at 22:00 UTC on 26 April 1980 atop an Atlas E/F carrier rocket with an SGS-1 upper stage. The Atlas used had the serial number 34F and was originally built as an Atlas F.