E layer

A layer of ionized air occurring at altitudes between 60 and 72 miles (100 and 120 kilometers) in the E region of the ionosphere, capable of bending radio waves back to earth. Also known as Heaviside layer; Kennelly-Heaviside layer.

Related terms:

• F layer
• D layer
• layer
• F1 layer
• F2 layer
• surface boundary layer
• shielding layer
• planetary boundary layer
• upper mixing layer
• Ekman layer