The story
Named after Arthur E. Kennelly and Oliver Heaviside.
Etymology from Wiktionary, CC BY-SA 4.0.
Kennelly-Heaviside layer
Today it means: 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. Full definition →