Kennelly-Heaviside layer
Appearance
English
[edit]Etymology
[edit]Named after Arthur E. Kennelly and Oliver Heaviside.
Noun
[edit]Kennelly-Heaviside layer (plural Kennelly-Heaviside layers)
- A layer of ionized gas occurring between roughly 90–150 km (56–93 mi) above the ground. It reflects medium-frequency radio waves, and thus enables them to be propagated beyond the horizon.