OPS 5111

OPS 5111, also known as Navstar 1, NDS-1, GPS I-1 and GPS SVN-1, was an American navigation satellite launched in 1978 as part of the Global Positioning System development programme. It was the first GPS satellite to be launched, and one of eleven Block I demonstration satellites.

OPS 5111

OPS 5111, also known as Navstar 1, NDS-1, GPS I-1 and GPS SVN-1, was an American navigation satellite launched in 1978 as part of the Global Positioning System development programme. It was the first GPS satellite to be launched, and one of eleven Block I demonstration satellites.