Question

introduction of satellite imagery (1 page introduction)​

Answer 1

Answer:

Before 1972, satellites weren't designed to study or monitor Earth's surface. Instead, they were mainly used for military missions. Imagery was commercialized in 1984, but faced many funding issues. This led to the passing of the Land Remote Sensing Policy Act of 1992.

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Answer 2

Answer:

32–33. ^ Campbell, J. B. 2002. Introduction to Remote Sensing. New York London: The Guilford Press ...