Revision as of 21:13, 2 December 2009 by MschenkeThis article is a stub. Please help expand the article by using the edit tab. Arthur Kennelly and Oliver Heaviside independently proposed the existence of an atmospheric layer of ions that conducts electricity and reflects radio waves. Kennelly published his ideas on March 15. Heaviside's hypothesis went public on December 19. The layer is now called the E region.