This image shows how the ionosphere is divided even further into layers: D, E, and F layers.
Click on image for full size
Windows to the Universe original image
Regions of the Ionosphere
is broken down into the D, E and F regions.
The D region is the lowest. Then comes the E region. The F region is the highest. You can see this in the picture to the left.
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The Fall 2009 issue of The Earth Scientist
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