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Summary: , control movement of vessels at sea, aid in crop dusting, help take aerial photographs, hone flight plans, facilitate air-avoidance systems, track forest fires, and monitor earthquakes. Currently, over 500,000 automobiles in Japan have GPS navigation systems installed in them. Estimates say that the 2 billion dollar GPS receiver market will grow to 30 billion dollars over
Image Dimensions: 115 x 86
Image originally found here.