Where is the ionosphere?
The ionosphere is the uppermost part of the Earth’s atmosphere, and is so named since it is ionized by solar radiation. It is located within the thermosphere. It forms the inner part of the magnetosphere and, among other things, it influences how radio signals propagate to distant locations. Learn more here … http://en.wikipedia.org/wiki/Ionosphere http://en.wikipedia.org/wiki/Thermosphere http://en.wikipedia.