The gps (1 gen 1990 anni – 24 sett 1992 anni)
Descrizione:
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.
Aggiunto al nastro di tempo:
Data:
1 gen 1990 anni
24 sett 1992 anni
~ 2 years and 8 months
