While GPS is very accurate,it can be thrown off by dust and water vapor in the atmosphere,multiple signal reflections from tall trees and buildings,and scattering from flocks of birds flying through the signal path.

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The Answer of While GPS is very accurate,it can be thrown off by dust and water vapor in the atmosphere,multiple signal reflections from tall trees and buildings,and scattering from flocks of birds flying through the signal path.

While GPS Is Very Accurate,it Can Be Thrown Off by Dust