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What is the layer of electrically charged particles in the thermosphere that absorbs AM radio waves during the day and reflects them back at night?
Wiki User
∙ 14y ago
The atmospheric layer that refracts (bends) radio signals is called the ionosphere. The radio waves are reflected a little, as you say, but are mostly refracted, that is, bent, back to earth. Happenss in the daytime, too, but too little to be useful in most cases.
By the way, it is a similar process that messes up GPS locator precision.
Wiki User
∙ 14y ago
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