The gps (1 janv. 1990 – 24 sept. 1992)
Description:
In 1995 was when the gps was first optional. It was made by Ivan A. Getting, Roger L. Easton,and Bradford Parkinson. But it first became public in 2000.
Ajouté au bande de temps:
Date:
1 janv. 1990
24 sept. 1992
~ 2 years and 8 months