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6 Apr 1994 Jahr - Global Positioning System (GPS)

Beschreibung:

last of 24 satellitese were launched to complete the GPS. Uses satellite signal to broadcast location in real time within 15 meters of accuracy.

Zugefügt zum Band der Zeit:

Cartography through Time

ByAbram
5 Nov 2017
0
0
369

Datum:

6 Apr 1994 Jahr
Jetzt
~ 30 years ago
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