Review: GPS

GPS by Paul E. Ceruzzi
My rating: 3 of 5 stars

I had never given much thought about GPS before reading this book. All I knew about GPS was that it gave you your location. I was surprised to learn that other countries also have there own GPS systems. I thought the U.S gps was the only game in town.
It was exciting to learn about the systems that were used to give your location before GPS. Though I can't recall their names right now as I am wring this review.

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