CentralNotice From Wikipedia, the free encyclopedia (Redirected from EME (communications) ) Jump to: navigation , search Earth–Moon–Earth communication (EME) , also known as moon bounce , is a radio communications technique which relies on the propagation of radio waves from an Earth -based transmitter directed via reflection from the surface of the Moon back to an Earth-based receiver. 1 History 2 EME communications technical details 3 Echo delay and time spread 4 Current EME communications 5 Modulation types and frequencies optimal for EME 6 Other factors influencing EME communications 6.1 Gallery 7 See also 8 References 9 External links History [ edit ] The use of the Moon as a passive communications satellite was proposed by W.J. Bray of the British General Post Office in 1940. It was calculated that with the available microwave transmission pow...